Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
interaction how » integration how, interaction from, interaction _
4 developing » 3 developing
developing e » developing _, developing a, developing east
e afrique » en afrique, l afrique, de l'afrique
how data » flow data, raw data, new data
data de » data den, data die, data do
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ interaction how data de communication costs 4 developing e afrique.*.