Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
world communication » work communication, wired communications, good communication
technologies 4 » technologies _
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
4 information » 2 information, 1 information
developing em » developing e, developing eq, developing amp
content new » contents new, context new, contexts new
costs 2.3 » costs 4.2, costs 4.4
em africa » 1 africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information content new world communication costs 2.3 developing em africa.*.