Perhaps you should try some spelling variations:
data communication » data communications
communication 1 » communication _, communication a, communication 3
development 2.1 » development 1
typologies et » typologie et, typologies art, typologies _
variation des » variation _, variation 6, variation series
et variation » der variation, bei variation, 2 variation
2.1 afrique » 2014 afrique
them data » other data, them eat, em data
des them » des themas, des themes, vs them
1 gas » _ gas, 2 gas, 3 gas

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

• Adding a wildcard symbol may retrieve word variants: typologies et variation des them data communication 1 gas development 2.1 afrique.*.