Perhaps you should try some spelling variations:
mobile communications » mobile communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
variation bei » variation des, variation der, variation _
de variation » der variation, die variation, does variation
karen mobile » based mobile, can mobile, case mobile
typology de » typology _, typology 6, typology a
bei karen » bei paaren, bei deren, bei ihren

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

• Adding a wildcard symbol may retrieve word variants: typology de variation bei karen mobile communications _ de developpement en afrique.*.