Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
information 11 » information 1, information 14, information 10.1
media der » media order, media under, mediale der
has oral » has rural, u.s oral, vs oral
11 has » 19 has, 10 has, 2011 has

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 11 has oral communication media der developpement en afrique.*.