Perhaps you should try some spelling variations:
data communication » data communications
information needs » information networks
developing east » development east, developing a, developing asia
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
needs debates » ideas debates
technology 1 » technology _
debates data » states data, debates a, debates de
east african » east africa, west african, west africa
costs 3.2 » costs 4.2, cost 3.2, costs 3.5

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information needs debates data communication costs 3.2 developing east african.*.