Perhaps you should try some spelling variations:
cell communication » cell communications, oral communication, verbal communication
au developpement » du developpement, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
variation using » variations during, variation und, variation among
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
using does » using deep, being does, using aes
il afrique » l afrique, en afrique
does cell » es cell
media au » medias au, media a, media ai

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

• Adding a wildcard symbol may retrieve word variants: typology der variation using does cell communication media au developpement il afrique.*.