Perhaps you should try some spelling variations:
oral communication » personal communication
information 1.5.2 » information 1.2, information 2
net developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
1.5.2 do » 1.5.2 die, 1.5.2 _, 1.5.2 a
do oral » do rural, who oral
a net » a new, _ net, a neo

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 1.5.2 do oral communication a net developpement en afrique.*.