Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
does variation » de variation, der variation, die variation
typology does » typologie des, apology do's, typology how
variation des » variation _, variation 6, variation series
less device » less devices, loss device, access device
des less » des lesens, des liens, des leib
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typology does variation des less device communication a die developpement en afrique.*.