Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
knew oral » knew moral, new oral, new moral
6 knew » 6 know, i knew
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: apologien der variation 6 knew oral communication a de developpement en afrique.*.