Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2 » technologies _, technologies 4
contents faso » contents fase, contents major, contents list
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
faso oral » faso local, faso rural
em africa » 1 africa
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 2 information contents faso oral communication costs 4 developing em africa.*.