Perhaps you should try some spelling variations:
oral communication » personal communication
informationen und » informations und, information und, transformationen und
4.2 developpement » 4.2 development, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
deren oral » derived oral
il afrique » l afrique, en afrique
und deren » und der

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

• Adding a wildcard symbol may retrieve word variants: technology _ informationen und deren oral communication costs 4.2 developpement il afrique.*.