Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation dem » variation des, variation der, variation de
der verbal » des verbal, der verbalen, der verband
dem der » dem ddr
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: typologie does variation dem der verbal communication a de developpement en afrique.*.