Perhaps you should try some spelling variations:
data communication » data communications
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
3.3 developing » 4 developing, 2 developing, 1 developing
about debatte » about debt
debatte data » debatte das, debates data, debatte der
developing a » developing _
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technology trade information about debatte data communication costs 3.3 developing a africa.*.