Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
4 developing » 3 developing
developing l » developing l2, developing _, developing a
l afrique » en afrique
human de » human due, human e, human diet
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 human de communication costs 4 developing l afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about human de communication costs 4 developing l afrique.*.