Perhaps you should try some spelling variations:
information centre » information centers, information contents
open communication » human communication, 3 communication, 4 communication
communication cost » communication costs, communication costa, communications costs
technologie fund » technologie und, technologien und, technology fund
fund information » road information
3.3 developing » 4 developing, 2 developing, 1 developing
centre 2.1 » centre 2.3, century 2.1, centre 2010
2.1 open » 2.2 open, 2.5 open, 2.4 open
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologie fund information centre 2.1 open communication cost 3.3 developing _ africa.*.