Perhaps you should try some spelling variations:
per communications » peru communications, paper communications, niger communications
leur developpement » le developpement, deux developpements, de developpement
communications a » communications _, communications law, communications media
developpement en » developpement et, developpement des, developpement de
information 1.2 » information 1.5.2, information 2
1.2 d » 1.2 de, 1.2 _, 1.2 a
d per » d der, _ per

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.2 d per communications a leur developpement en afrique.*.