Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
typologien does » typologie des, typologien der, typologie der
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
variation und » variation _, variablen und, variation 6
does oral » does formal, does oil
l afrique » en afrique
und does » guns does, und doch, aid does
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation und does oral communication a de developpement l afrique.*.