Perhaps you should try some spelling variations:
communication gross » communication cross, communication across, communications cross
oral communication » personal communication
trade development » software development
development eco » development second, development east, development menu
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
gross trade » goods trade, crops trade, growth trade
eco afrique » en afrique
des oral » des moral, des oil, des orts
6 des » 26 des, 6 does, 6 der
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 des oral communication gross trade development eco afrique.*.