Perhaps you should try some spelling variations:
oral communication » personal communication
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
la developpement » le developpement, de developpement, et developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
information 2 » information 3
do oral » do rural, who oral
2 do » _ do, 2 co, 2 de
3 la » 3 a, a la, _ la

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

• Adding a wildcard symbol may retrieve word variants: technology trade information 2 do oral communication 3 la developpement en afrique.*.