Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
development menu » development mega, development min, development manuel
sms development » smes development, dams development, gas development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
menu afrique » en afrique
a der » 2 der, 3 der, 1 der
a sms » _ sms, a hms, a ses

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie der variation ((a der) OR (_ der)) de communication a sms development menu afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie der variation ((a der) OR (_ der)) de communication a sms development menu afrique.*.