Perhaps you should try some spelling variations:
information century » information centers, information centre, information center
food communication » good communication, world communication, ihrd communication
developing areas » developing asia, developing east, developing a
technologies 2 » technologies _, technologies 4
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
areas africa » arabs africa, dress africa, farmers africa
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
new food » new form

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information century new food communication costs 3.5 developing areas africa.*.