Perhaps you should try some spelling variations:
development manuel » developpement manuel, development model, development master
oral communication » personal communication
local development » social development, global development, rural development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
her oral » new oral

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ her oral communication a local development manuel afrique.*.