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 der » technology does, technology 4ir, technology dlt
der innovation » gender innovation, 2 innovation, 3 innovation
innovation 1 » innovation _, innovation a
costly trade » costs trade, country trade, costly than
africa era » africa eiu, africa eu, africa en
vie de » vie des
1 vie » 1 vier, 1 view, 1 die

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

• Adding a wildcard symbol may retrieve word variants: technology der innovation 1 vie de communication costly trade development africa era.*.