Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
communications cost » communications costs, communications cross, communication costs
trade development » software development
development sdgs » development signs, development sdn, development saga
information 3.3 » information 3.2, information 3.4, information 3.5
technologies 1 » technologies _, technologies 4, technologies 2
sdgs african » six african, do african, sino african
cost trade » costs trade, costly trade, boost trade
das china » gas china, has china, does china
3.3 das » 2.3 das, 3.3 data

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 3.3 das china communications cost trade development sdgs african.*.