Perhaps you should try some spelling variations:
oral communication » personal communication
variationen der » variationen des, variationen uber, variation der
03 variationen » 09 variationen, 3 variationen, 4.3 variationen
development li » development lid, development lie, development lin
typologie 03 » typologie 1.3, typologie et, typologie am
li afrique » l afrique, en afrique
der water » der vater, under water, over water

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

• Adding a wildcard symbol may retrieve word variants: typologie 03 variationen der water oral communication _ gas development li afrique.*.