Perhaps you should try some spelling variations:
technology imports » technology reports, technology supports, technology report
imports operations » import operations, import operation, port operations
oral communication » personal communication
development unit » development united, development using, development update
operations gap » operational gap, operations a, operations amp
4 development » 2 development, 4 developing
unit africa » unions africa, union african, joint africa
10 oral » 10 moral, 1 oral, 14 oral
costs 4 » costs _, costs a, costs 4.2
gap 10 » kap 10, map 10, gap 10.2

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

• Adding a wildcard symbol may retrieve word variants: technology imports operations gap 10 oral communication costs 4 development unit africa.*.