Perhaps you should try some spelling variations:
6.1 communication » 4.1 communication, 1.1 communication, 3.1 communication
study regulators » study regulation, study results, u.s regulators
developpement en » developpement et, developpement des, developpement de
regulators role » regulators roles, regulatory role, regulators more
4 developpement » de developpement, le developpement, et developpement
role france » pole france, role franco, profile france
france 6.1 » france 1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology study regulators role france 6.1 communication costs 4 developpement en afrique.*.