Perhaps you should try some spelling variations:
oral communication » personal communication
integrated impact » integration impact, integrated company, intended impact
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
impact do » impact de, impact does, impact des
do oral » do rural, who oral
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: technology transfer integrated impact do oral communication a le developpement en afrique.*.