Perhaps you should try some spelling variations:
integration duties » integration des, integration die, integration does
technology trade » technology trends, technology transfer, technology transfers
de communication » mobile communication, online communication
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
developing em » developing e, developing eq, developing amp
debates de » debates we, debates did, debates _
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
em africa » 1 africa

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration duties debates de communication costs 4.3 developing em africa.*.