The phrase "cooperate more effectively" is correct and can be used in written English.
You can use it when you want to suggest that two or more people should work together to achieve a goal in a more efficient or successful manner. For example, "If we cooperate more effectively, we could finish this project much sooner."
Intelligence and police around the world now cooperate more effectively than ever.
The public and private sectors must cooperate more effectively on computer security.
But they also concede that the system allows bosses and employees to cooperate more effectively in times of crisis.
International terrorists succeed because they find ways to cooperate more effectively than the governments whose people they target.
"And what I consistently say to them, what I say to President Putin, is that's the past and we've got to think about the future, and there's no reason why we shouldn't be able to cooperate more effectively than we do".
"In my view the question is not so much about whether Cambodia and other Mekong countries should not seek to increase their hydropower activism, but how they can cooperate more effectively with each other in order to manage their common water resources more equitably," said Ms. Patrikainen, at IHS Global said.
Cooperating more effectively on counterterrorism while tightening security at airports and train stations would be a start.
A great many of the myriad problems faced by those running this campaign - from picking up downed pilots or mounting special forces raids, to cutting the number of foreign fighters getting to IS or supplying the Syrian opposition - would ease up if Turkey were cooperating more effectively.
I continue and sometimes augment analgesia in the second stage of labor and during delivery; therefore a pain free mother can cooperate more fully and can push more effectively.
"The two intelligence agencies on both sides must cooperate more strongly, if we are to deal with terrorists and extremists more effectively," he said.
