Perhaps you should try some spelling variations:
service communication » services communication, device communication, services communicating
deux developpements » des developpements, de developpement, du developpement
developpements en » developpement en, developpement et, developpements de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 3 » variation _, variation 6, variation 5
3 debt » 83 debt, 4 debt, 2.3 debt

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation 3 debt service communication a deux developpements en afrique.*.