Perhaps you should try some spelling variations:
communication model » communication media
trade development » software development
push information » much information, pitch information, truth information
information need » information needs, information needed, information speed
technology push » technology park, technology parks
model trade » modern trade, model traem, model tree
de mobile » die mobile, e mobile, does mobile
a afrique » l afrique, en afrique
need de » need le, need fide, need one

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

• Adding a wildcard symbol may retrieve word variants: technology push information need de mobile communication model trade development a afrique.*.