Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
de developpement » sme development
developpement il » developpement de, developpement et, developpement du
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
il afrique » l afrique, en afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typology der variation _ der online communication a de developpement il afrique.*.