Perhaps you should try some spelling variations:
mean communication » lean communication, modern communication, human communication
technologies used » technologies based, technology used, technologies _
used interaction » user interaction, based interaction, sea interaction
4 developing » 3 developing
developing a » developing _
data mean » data map
a afrique » l afrique, en afrique
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 used interaction _ data mean communication costs 4 developing a afrique.*.