Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development across » development cross, development actors, development africa
trade development » software development
asia information » basic information, via information, africa information
technology asia » biotechnology asia, technology africa, technology a
costs trade » costly trade
die data » die daten, life data, file data

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

• Adding a wildcard symbol may retrieve word variants: technology asia information _ die data communications costs trade development across africa.*.