Perhaps you should try some spelling variations:
oral communication » personal communication
le developpement » de developpement, sme development
developpement la » developpement de, developpement et, developpement du
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
using does » using deep, being does, using aes
la afrique » l afrique, la fabrique, en afrique
does oral » does formal, does oil
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 variation using does oral communication _ le developpement la afrique.*.