Perhaps you should try some spelling variations:
real communication » oral communication, cell communication, health communication
developing areas » developing asia, developing east, developing a
technologie der » technologie de, technologien des, technologies de
der information » insider information, sector information, labor information
areas african » areas africa, across african, east african
1 developing » 3 developing, 4 developing, 2 developing
costs 1 » costs _, costs 4, costs a
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologie der information contents 1 real communication costs 1 developing areas african.*.