Perhaps you should try some spelling variations:
personal communication » interpersonal communication
does developpement » de developpement, des developpements, does development
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
how variation » how valuation, does variation, four variation
variation der » variation des, variation bei, variation _
typology how » typology from, typology _, typology 4.1
den personal » der personal, de personal, des personal
de afrique » de l'afrique, en afrique, l afrique
der den » oder den, der de, der der
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: typology how variation der den personal communication 2 does developpement de afrique.*.