Perhaps you should try some spelling variations:
problem communication » prone communication, proper communication, provider communication
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
communication 4 » communication _, communication a, communication 3
variation des » variation _, variation 6, variation series
over problem » cover problem, over problems, our problem
6 variation » 6 variations, _ variation, 2 variation
typology 6 » typology _, typology 4.1
des over » ideas over
4 does » 2 does

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variation des over problem communication 4 does developpement en afrique.*.