Perhaps you should try some spelling variations:
personal communication » interpersonal communication
dams developpement » dams development, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
18 personal » 1 personal, 12 personal, 8 personal
des 18 » des 19
2 dams » 2 das, _ dams, 6 dams

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation des 18 personal communication 2 dams developpement en afrique.*.