Perhaps you should try some spelling variations:
oral communication » personal communication
communication 18.3 » communication 1.3, communication 14.3, communication 3.3
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
typologie eines » typologie cices, typologie einiger, typologie des
eines variation » die variation, does variation, minor variation
variation des » variation _, variation 6, variation series
18.3 does » 12.3 does, 18.2 does, 13 does
des ddr » der ddr, des dr, dem ddr

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

• Adding a wildcard symbol may retrieve word variants: typologie eines variation des ddr oral communication 18.3 does developpement en afrique.*.