Perhaps you should try some spelling variations:
oral communication » personal communication
does development » dams development, ides development, smes development
typologie cices » typologie eines, typologie des
cices variation » price variation, die variation, does variation
communication 3 » communication _, communication a
development et » development east, developpement et, development eco
variation des » variation _, variation 6, variation series
et afrique » en afrique, l afrique
des ddr » der ddr, des dr, dem ddr
3 does » 13 does, 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: typologie cices variation des ddr oral communication 3 does development et afrique.*.