Perhaps you should try some spelling variations:
oral communication » personal communication
adoption solution » adaptation solutions, function solution
des developpement » des developpements, de developpement, le developpement
solution chapter » solutions chapter, resolution chapter, evolution chapter
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
chapter one » chapter four
one oral » one moral, one rural, one oil
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technology adoption solution chapter one oral communication 3 des developpement en afrique.*.