Perhaps you should try some spelling variations:
communication theory » communication technology
eating development » creating development, coating development, reading development
der communication » de communication, under communication, debt communication
development en » developpement en, development menu, development eco
variation des » variation _, variation 6, variation series
theory eating » theory creating, theory testing, theory learning
typologies 3 » typologies _, typologies 2.3, typologies 3.2
3 variation » 3 variations, 2 variation, 4 variation
des dem » das dem, des der, des des
dem der » dem ddr

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

• Adding a wildcard symbol may retrieve word variants: typologies 3 variation des dem der communication theory eating development en afrique.*.