Perhaps you should try some spelling variations:
information centre » information centers, information contents
open communication » human communication, 3 communication, 4 communication
developing cross » development cross, developing areas, development across
technologies 4 » technologies _
4 information » 2 information, 1 information
20 developing » 2 developing, 10 developing, 24 developing
cross africa » across africa, across african, crises africa
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information centre _ open communication costs 20 developing cross africa.*.