The phrase "a combination of efforts" is correct and usable in written English.
It can be used to describe the collaborative work or contributions of multiple individuals or groups towards a common goal.
Example: "The success of the project was due to a combination of efforts from the marketing and development teams."
Alternatives: "a joint effort" or "a collaborative effort".
A combination of efforts — technology licensing, defense of intellectual property, and judicious partnerships —helped firms protect profits and remain competitive.
In some cases, such prevention may take a combination of efforts that differ from hospital to hospital, said Dr. Risa Lavizzo-Mourey, chief executive of the Robert Wood Johnson Foundation, which has been financing pilot programs aimed at reducing readmissions.
To combat the dangers to gorillas and the park itself, Ms. Lanjouw, of the gorilla conservation program, said a combination of efforts were begun in the 1990's by international conservation groups, the governments of Rwanda, Uganda and Congo and local park staff like Mr. Kanezero.
After piecing together a more nuanced portrait of terrorist organizations, they say there is reason to believe that a combination of efforts could in fact establish something akin to the posture of deterrence, the strategy that helped protect the United States from a Soviet nuclear attack during the cold war.
Well, actually the law that we signed in Massachusetts was a combination of efforts both on the part of those that were for additional gun rights and those that opposed gun rights, and they came together and made some changes that provided, I think, a better environment for both, and that's why both sides came to celebrate the signing of the bill.
"We need to collectively come together and approach the problem with a combination of efforts, including changing the food supply," said Dr. Anderson, who also is a co-author of an editorial about the study in The New England Journal of Medicine.
The Giants used a combination of effort and smarts to beat the Vikings, handing Coach Dennis Green his first career shutout with the Vikings.
It will result from a combination of effort and a variety of job search activities.
To date, there has been no clear statement as to who is responsible for staying up to date on the implications of a patient's genetic profile: current guidelines suggest in most cases that the process should rely on a combination of effort by the patient and primary care physician, with recommendations for future inquiry suggested by the medical geneticist at the time of the original consultation.
With [computer] software, casual copying was lessened by a combination of education efforts and evolving, maturing business models, with some exemplary prosecutions of large-scale piracy.
A combination of these efforts has earned Taiwan a compact but effective space program capable of mounting satellite missions and advanced study in various disciplines of space science.
