Perhaps you should try some spelling variations:
communicative costs » communication costs, communications costs, communication costa
technologies video » technology video, technologies evidence, technologies varies
video information » videos information, guided information, do information
trade development » software development
information gaps » information gap
a communicative » _ communicative, a communication, la communication
costs trade » costly trade
gaps does » gaps notes, gaps do, guns does
a afrique » l afrique, en afrique
does a » does _

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

• Adding a wildcard symbol may retrieve word variants: technologies video information gaps does a communicative costs trade development a afrique.*.