Perhaps you should try some spelling variations:
mobile communications » mobile communication
variation series » education series, action series, edition series
communications a » communications _, communications law, communications media
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
how variation » how valuation, does variation, four variation
typology how » typology from, typology _, typology 4.1
series das » series data, series bias, series a
das mobile » does mobile, a mobile
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 how variation series das mobile communications a de developpement en afrique.*.