Perhaps you should try some spelling variations:
oral communication » personal communication
trade development » software development
variation des » variation _, variation 6, variation series
typologie 09 » typologie et, typologie am, typologie en
09 variation » 09 variationen, 19 variations, _ variation
wiener oral » einer oral
des wiener » der wiener
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: typologie 09 variation des wiener oral communication _ trade development 1 afrique.*.