Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
based information » basic information, based innovation, land information
some development » sme development, women development, site development
development can » development case, development co, development canada
can africa » urban africa
debt mass » debt cash, debt has, debt main

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology based information flows debt mass communication cost some development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technology based information flows debt mass communication cost some development can africa.*.