Perhaps you should try some spelling variations:
formal communication » informal communication, oral communication, moral communication
de developpement » sme development
variation using » variations during, variation und, variation among
does variation » de variation, der variation, die variation
typology does » typologie des, apology do's, typology how
does formal » loss formal, does formality, des formalen
des afrique » en afrique, de l'afrique
using does » using deep, being does, using aes

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

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