Perhaps you should try some spelling variations:
oral communication » personal communication
developpement il » developpement de, developpement et, developpement du
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
il afrique » l afrique, en afrique
der idps » der idee, der ias, der ida

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

• Performing a fuzzy search may retrieve terms with similar spellings: typologie der variation der idps oral communication media _ developpement il afrique.~.