Perhaps you should try some spelling variations:
trade development » software development
communication 5 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
development l » development li, development 1, development law
variation 4 » variations 4, variation _, variation 6
l afrique » en afrique
5 trade » 1 trade, 4 trade, 2 trade
typologie » typologies, typology

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typologie des variation 4 ((does a) OR (does _)) communication 5 trade development l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie des variation 4 ((does a) or (does _)) communication 5 trade development l afrique.*.