Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
technologien ist » technologien im, technologien mit, technologies exist
developing rates » developing states, developing water, developing cities
ist information » iot information, first information, cost information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
rates africa » state africa
centre use » centre case, century use, centre de
use oral » use rural, ashe oral
cost 3.2 » cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien ist information centre use oral communication cost 3.2 developing rates africa.*.