Perhaps you should try some spelling variations:
mobile communications » mobile communication
du developpement » de developpement, le developpement, et developpement
developpement la » developpement de, developpement et, developpement du
does variation » de variation, der variation, die variation
typology does » typologie des, apology do's, typology how
variation bei » variation des, variation der, variation _
den mobile » does mobile, open mobile, non mobile
la afrique » l afrique, la fabrique, en afrique
bei den » bei der

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

• Adding a wildcard symbol may retrieve word variants: typology does variation bei den mobile communications _ du developpement la afrique.*.