Perhaps you should try some spelling variations:
oral communication » personal communication
does developpement » de developpement, des developpements, does development
typologie einiger » typologie eines, theologie einer, typologie unter
einiger variation » gender variation, minor variation
developpement il » developpement de, developpement et, developpement du
variation des » variation _, variation 6, variation series
il afrique » l afrique, en afrique
dix oral » i oral, ii oral, iii oral
des dix » des dax, des diw, des dieux

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

• Adding a wildcard symbol may retrieve word variants: typologie einiger variation des dix oral communication _ does developpement il afrique.*.