Perhaps you should try some spelling variations:
oral communication » personal communication
developing areas » developing asia, developing east, developing a
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
information b » information 2, information 1, information bank
areas africa » arabs africa, dress africa, farmers africa
gender oral » gender order
b gender » 2 gender, 3 gender, 1 gender

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information b gender oral communication costs _ developing areas africa.*.