Perhaps you should try some spelling variations:
oral communication » personal communication
communication 10 » communication 1, communication _, communication a
de developpement » sme development
based variation » based validation, based valuation, based vaccination
colonies based » colleges based, policies based, ontologies based
variation oder » variation der, variation over, variation des
des afrique » en afrique, de l'afrique
oder der » oder die
der oral » der moral, der ort, der orte
10 de » 10 die, 10 der, 10 des

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

• Adding a wildcard symbol may retrieve word variants: colonies based variation oder der oral communication 10 de developpement des afrique.*.