Perhaps you should try some spelling variations:
oral communication » personal communication
communication 13 » communication 1.3, communication 3, communication 1
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
variations der » variation der, variations des, variationen der
et variations » its variations, 1er variations, ier variations
typologie et » typologie des, typologie der, typologie von
13 de » 13 die, 13 der, 13 des

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

• Adding a wildcard symbol may retrieve word variants: typologie et variations der ddr oral communication 13 de developpement en afrique.*.