Perhaps you should try some spelling variations:
communication model » communication media
oral communication » personal communication
technologies der » technologies de, technologie der, technologies under
der information » insider information, sector information, labor information
model human » models human, modern human, modeling human
a afrique » l afrique, en afrique
flows do » flows how, flows job, flows _
do oral » do rural, who oral

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

• Adding a wildcard symbol may retrieve word variants: technologies der information flows do oral communication model human development a afrique.*.