Perhaps you should try some spelling variations:
lehr developpement » leur developpement, le developpement, de developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
technologies 2 » technologies _, technologies 4
information b » information 2, information 1, information bank
tve mass » over mass, ice mass, top mass
3 lehr » 3.2 lehr
b tve » _ tve

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information b tve mass communication 3 lehr developpement en afrique.*.