Perhaps you should try some spelling variations:
information centre » information centers, information contents
communication cost » communication costs, communication costa, communications costs
technologie und » technologies 2.1
und information » fund information, road information, award information
developing av » developing a, developing ai, developing amp
4 developing » 3 developing
av africa » v africa, iv africa, can africa
cost 4 » cost _, cost 2.4
c fet » 3 fet, 4 fet
c net » ic net, _ net, a net

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie und information centre ((c fet) OR (c net)) communication cost 4 developing av africa.~".
• Adding a wildcard symbol may retrieve word variants: technologie und information centre ((c fet) OR (c net)) communication cost 4 developing av africa.*.