Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies trade » technology trade, technologies case, technologies table
trade information » price information, private information, trade integration
a communications » a communication, data communications, a communicative
does development » dams development, ides development, smes development
development lin » development li, development lid, development lie
lin afrique » en afrique, l afrique
costs does » costs down, costs fees
3.2 das » 1.2 das, 3.2 data
das a » das _, has a, gas a

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

• Adding a wildcard symbol may retrieve word variants: technologies trade information 3.2 das a communications costs does development lin afrique.*.