Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication mega » communication media, communication moral, communication mode
ptas development » gas development, its development, pss development
development en » developpement en, development menu, development eco
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
does personal » des personal, roles personal, des personals

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation der does personal communication mega ptas development en afrique.*.