Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
technologies co » technologies _, technologies 4, technologies 2
information 2.2 » information 1.2, information 2.7, information 2.2.2
developpement l » developpement il, developpement la, developpement de
co information » do information, 2 information, 1 information
l afrique » en afrique
2.2 open » 2.2 one
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies co information 2.2 open oral communication costs de developpement l afrique.*.