Perhaps you should try some spelling variations:
communication model » communication media
trade developpement » trade developement, trade development, de developpement
weak communication » work communication, risk communication, de communication
technologien des » technologien fur, technologien und, technologies 2
developpement en » developpement et, developpement des, developpement de
des innovation » does innovation, des innovations, sezs innovation
model trade » modern trade, model traem, model tree
does weak » does what, does ea, does war
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: technologien des innovation a does weak communication model trade developpement en afrique.*.