Perhaps you should try some spelling variations:
data communication » data communications
et developpements » et developpement, des developpements, en developpement
developpements en » developpement en, developpement et, developpements de
communication pt » communication 3, communication 1, communication 2
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation les » variation des, variation test, variations des
sources data » source data, resources data, sources fate
les sources » les ressources, debt sources
pt et » pt e

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation les sources data communication pt et developpements en afrique.*.