Perhaps you should try some spelling variations:
formal communication » informal communication, oral communication, moral communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
variation being » variation bei, variation using, variation among
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
does formal » loss formal, does formality, des formalen
being does » lending does, reading does

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

• Adding a wildcard symbol may retrieve word variants: typology des variation being does formal communication _ de developpement en afrique.*.