Perhaps you should try some spelling variations:
trade development » software development
communication 3 » communication _, communication a
development en » developpement en, development menu, development eco
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
des mobile » does mobile, das mobile, less mobile
3 trade » 1 trade, 4 trade, 2 trade
6 des » 26 des, 6 does, 6 der

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation 6 des mobile communication 3 trade development en afrique.*.