Perhaps you should try some spelling variations:
development farmers » development former, development partners, development matters
10 communication » 1 communication, de communication, 3 communication
information u.s » information und, information use, information 1.2
farmers africa » farmer erica, herders africa
3 development » 2 development
technology 1 » technology _
u.s debate » u.s senate, 2.1 debate, 3.4 debate
debate 10 » debate 1, debate 10.2, debate 10.6
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information u.s debate 10 communication costs 3 development farmers africa.*.