The phrase "years of cooperation" is correct and usable in written English.
You can use it to describe a situation where two or more parties have worked together for a significant period of time. For example: "After 10 years of cooperation, the two companies have developed a strong working relationship."
"All the years of cooperation and progress have been torn to pieces".
He pointed out that 30 years of cooperation had brought a multitude of benefits, from physics to pest control.
Recent reports have indicated that changes by the Mexican government might diminish years of cooperation aimed at drugs and violence.
I remember the Paddington group all of a sudden going on the offensive last month after years of cooperation.
Games that require deep commitments of time, or years of cooperation with other human players, can't be captured in a museum setting, Ms. Antonelli suggested.
The many years of cooperation required to attain alpha-male status represents one of the most complex and unusual mating systems.
Their numbers have been increasing in recent years because of cooperation between our three countries in policing the gorilla's forest home.
LONDON — Britain and France signed defense agreements on Tuesday that promised cooperation far beyond anything achieved previously in 60 years of NATO cooperation, including the creation of a joint expeditionary force, shared use of aircraft carriers and combined efforts to improve the safety and effectiveness of their nuclear weapons.
Energy cooperation is another focal point for the Nordic countries at the climate conference in Paris, celebrating 100 years of energy cooperation in our region.
Exclusion criteria are: anticoagulant drug therapy or disturbed coagulation, age < 18 years, pregnancy, ICD or pacemaker, life expectancy < 1 year, lack of cooperation of the patient, drugs, medication or alcohol addiction, and immune-compromised patients.
American officials in Washington have confirmed at Congressional hearings years of excellent cooperation with their counterparts in Liechtenstein.
