Perhaps you should try some spelling variations:
oral communication » personal communication
trade development » software development
des variationen » die variationen, de variation, der variation
variationen des » variationen der, variation des, variations des
development lie » development life, development li, development lid
typologies des » typologie des, typologie der, typologien der
lie afrique » l afrique
des water » does water, des warner, less water

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

• Adding a wildcard symbol may retrieve word variants: typologies des variationen des water oral communication _ trade development lie afrique.*.