Perhaps you should try some spelling variations:
oral communication » personal communication
trade development » software development
typologie les » typologie des, typologie der, typologie et
les variation » les variations, does variation, de variation
variation des » variation _, variation 6, variation series
einer oral » eine moral, minor oral
des einer » des einen, aus einer, als einer
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 les variation des einer oral communication _ trade development 1 afrique.*.