Perhaps you should try some spelling variations:
oral communication » personal communication
technologies rate » technologies create, technologies ret, technologies case
rate information » trade information, care information, age information
information 10.4 » information 1.2, information 1.3, information 14.3
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
3 le » 3 les, 3 la, 1 le

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

• Adding a wildcard symbol may retrieve word variants: technologies rate information 10.4 _ oral communication 3 le developpement en afrique.*.