Perhaps you should try some spelling variations:
und informationsbasis » und informationspraxis, als informationsbasis, der informationsbasis
informationsbasis 2 » informationsbasis zum
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
developing de » developing e, developing ce, developing deep
de africa » does africa, de america, use africa
co oral » who oral
2 co » _ co, a co, 2 c

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

• Adding a wildcard symbol may retrieve word variants: technologien und informationsbasis 2 co oral communication costs _ developing de africa.*.