Perhaps you should try some spelling variations:
oil communication » oral communication, social communication, moral communication
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
information a » information age, information about
4 development » 2 development, 4 developing
a afrique » l afrique, en afrique
does oil » des oil, does aid, does our
costs 4 » costs _, costs a, costs 4.2
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: technologies co information a does oil communication costs 4 development a afrique.*.