Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
study regulation » study population, study regulators, history regulation
developpement en » developpement et, developpement des, developpement de
regulation role » regulations roles, regulation rules, regulatory role
a developpement » au developpement, de developpement, le developpement
role franco » pole france, couple franco
franco 2.7 » france 2.2, france 2.1, france 2.3
costs a » costs _, costs 4

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology study regulation role franco 2.7 communication costs a developpement en afrique.*.