Perhaps you should try some spelling variations:
information control » information centre, information content, information contents
communication cost » communication costs, communication costa, communications costs
technologien fair » technologien fur, technologies fail, technologien als
fair information » fairs information, fur information, labor information
ec communication » de communication, 3 communication, 4 communication
14.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
control he » control how, control hiv, control htc
cost 14.4 » costs 14.3, cost 2.4, cost 1.2

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

• Adding a wildcard symbol may retrieve word variants: technologien fair information control he ec communication cost 14.4 developing _ africa.*.