Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
developpement de » developpement des, developpement durable
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
does personal » des personal, roles personal, des personals
variation 6 » variation _, variations _, variation des
de afrique » de l'afrique, en afrique, l afrique
6 does » 16 does, 2 does, 4 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: ideologie der variation 6 does personal communication a de developpement de afrique.*.