Perhaps you should try some spelling variations:
cell communication » cell communications, oral communication, verbal communication
bad developpement » au developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation using » variations during, variation und, variation among
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
using books » song books, using bonds, using boot
media bad » media based, media brand, media bias

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation using books cell communication media bad developpement en afrique.*.