Perhaps you should try some spelling variations:
cell communication » cell communications, oral communication, verbal communication
did developpement » de developpement, du developpement, des developpements
developpement en » developpement et, developpement des, developpement de
variation using » variations during, variation und, variation among
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
using does » using deep, being does, using aes
does cell » es cell
media did » media die, media diet, india did

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation using does cell communication media did developpement en afrique.*.