Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade developement » trade development, trade developments, trades development
a communications » a communication, data communications, a communicative
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
costs trade » costly trade
gap do » gaps do, gap d
do a » do _, do i, dr a

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

• Adding a wildcard symbol may retrieve word variants: technologies de information gap do a communications costs trade developement _ afrique.*.