Perhaps you should try some spelling variations:
internet communication » internet communications, internal communication, internal communications
trade development » software development
communication 3 » communication _, communication a
development eco » development second, development east, development menu
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
des internet » des internets, does internet, das internet
eco afrique » en afrique
3 trade » 1 trade, 4 trade, 2 trade

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

• Adding a wildcard symbol may retrieve word variants: typology des variation _ des internet communication 3 trade development eco afrique.*.