Perhaps you should try some spelling variations:
information centers » information contents, information officers
world communication » work communication, wired communications, good communication
communication cost » communication costs, communication costa, communications costs
technologies 4 » technologies _
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
4 information » 2 information, 1 information
centers does » century does, centers money, contexts does
does world » des world, loses world, notes world
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: technologies 4 information centers does world communication cost 3.2 developing _ africa.*.