Perhaps you should try some spelling variations:
data communication » data communications
information needs » information networks
developing baga » developing data, developing biogas, developing based
1.5 developing » 1.3 developing, 15 developing, 1.4 developing
3 information » 1 information
needs debates » ideas debates
technology 3 » technology _, technology 1, technology 4
debates data » states data, debates a, debates de
baga african » agoa african, bank african, bemba african
costs 1.5 » costs 3.5, costs 2.5, costs 4.5

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information needs debates data communication costs 1.5 developing baga african.*.