Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developpement durable » developpement de
communication 1.2 » communication 3.2, communication 1.1, communication 1.3
de developpement » sme development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
dax personal » das personal, a personal, der personal
des dax » der dax, den dax, des daz
1.2 de » 1.2 die, 1.2 der, 1.2 des

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation des dax personal communication 1.2 de developpement durable afrique.*.