Perhaps you should try some spelling variations:
oral communication » personal communication
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
development en » developpement en, development menu, development eco
variation 6 » variation _, variations _, variation des
wiener oral » einer oral
6 wiener » _ wiener, 3 wiener, h wiener

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation 6 wiener oral communication _ gas development en afrique.*.