Perhaps you should try some spelling variations:
developing ce » developing e, developing ict, developing cil
4 developing » 3 developing
das mobile » does mobile, a mobile
ce afrique » en afrique, l afrique, de l'afrique
about das » about dark, about dead, about a
costs 4 » costs _, costs a, costs 4.2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information about das mobile communication costs 4 developing ce afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about das mobile communication costs 4 developing ce afrique.*.