Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.4 » communication 3.3, communication 4, communication _
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
variation using » variations during, variation und, variation among
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
using does » using deep, being does, using aes
la afrique » l afrique, la fabrique, en afrique
does oral » does formal, does oil
2.4 de » 2.4 die, 2.4 der, 2.4 due

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation using does oral communication 2.4 de developpement la afrique.*.