Perhaps you should try some spelling variations:
mobile communications » mobile communication
variation series » education series, action series, edition series
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
series first » services first, series firm, series from
first mobile » first module, first move, first milk

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

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