Perhaps you should try some spelling variations:
developpement east » development east, developpement et, developpement des
oral communication » personal communication
information 17.2 » information 1.2, information 15.2, information 11.2
du developpement » de developpement, le developpement, et developpement
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
east afrique » east africa, east african, en afrique
17.2 how » 1.2 how, 7.2 how, 12.2 how
how oral » how moral, how rural, how arab

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

• Adding a wildcard symbol may retrieve word variants: technologies co information 17.2 how oral communication _ du developpement east afrique.*.