Perhaps you should try some spelling variations:
site developpement » site development, de developpement, le developpement
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement en » developpement et, developpement des, developpement de
4 information » 2 information, 1 information
information a » information age, information about
costs site » costs some, costs united
cash 4.1 » cas 4.1, cash 4.3.1, ash 4.5
a cash » a case

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

• Adding a wildcard symbol may retrieve word variants: methodology 4 information a cash 4.1 communication costs site developpement en afrique.*.