Perhaps you should try some spelling variations:
oral communication » personal communication
information among » information along, formation among, information alone
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
des information » des informations, does information, dis information
among does » among boys, among les, among donors
la afrique » l afrique, la fabrique, en afrique
does oral » does formal, does oil
a de » a die, a der, a des
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des information among does oral communication a de developpement la afrique.*.