Perhaps you should try some spelling variations:
data communication » data communications
development 2014 » development 2.1, development 1, development 2.3
typologies rate » typologies art, typologies et, typologies first
communication 1 » communication _, communication a, communication 3
rate variation » rate variations, erste variation, care variation
variation des » variation _, variation 6, variation series
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 rate variation des them data communication 1 gas development 2014 afrique.*.