Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication 13 » communication 1.3, communication 3, communication 1
test development » forest development, port development, mena development
development de » development d, development ds, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
des personal » des personals, der personal, das personal
de afrique » de l'afrique, en afrique, l afrique
der des » oder des, der de, der den
13 test » 13 tests, 3 test, 1 test

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation der des personal communication 13 test development de afrique.*.