Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
does personal » des personal, roles personal, des personals
bei does » being does, behn does, bei der
2.1 du » 2.1 due, 2.1 de, 2.1 do

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation bei does personal communication 2.1 du developpement en afrique.*.