Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
der information » insider information, sector information, labor information
information old » information och, information oder, information open
developing east » development east, developing a, developing asia
technology der » technology does, technology 4ir, technology dlt
debates data » states data, debates a, debates de
4 developing » 3 developing
old debates » old debate
east africa » west africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology der information old debates data communications costs 4 developing east africa.*.