Perhaps you should try some spelling variations:
oral communication » personal communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation de » variation des, variation der, variation due
des oral » des moral, des oil, des orts
de des » ende des, rede des, code des
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: typologie does variation de des oral communication a le developpement en afrique.*.