Perhaps you should try some spelling variations:
communication costly » communication costs, communication costa, communications costs
trade development » software development
de communication » mobile communication, online communication
technology die » technologie die, technology does, technology 4ir
inflation base » inflation rate, inflation bias, inflation das
development iv » development ii, development 1, development i150
die inflation » does inflation, der inflation, price inflation
costly trade » costs trade, country trade, costly than
iv afrique » en afrique, l afrique
base case » use case, base wage
case de » case des, case d, case d1

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

• Adding a wildcard symbol may retrieve word variants: technology die inflation base case de communication costly trade development iv afrique.*.