Perhaps you should try some spelling variations:
oral communication » personal communication
ier variationen » die variationen, ier variations, der variation
variationen des » variationen der, variation des, variations des
development lie » development life, development li, development lid
typologie ier » typologie der, typologien der, typologie des
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: typologie ier variationen des water oral communication _ gas development lie afrique.*.