Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
development matter » development matters, development master, development pattern
urban development » human development
pt communication » put communication, et communication, post communication
technology 4 » technology _, technology 1, technology 3
politics pt » politics _, politics a, politics 2
cost urban » most urban, worst urban, bust urban
vision 2 » vision 1
matter a » matter _

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology 4 ((vision 2) OR (vision _)) politics pt communication cost urban development matter a.~".
• Adding a wildcard symbol may retrieve word variants: technology 4 ((vision 2) OR (vision _)) politics pt communication cost urban development matter a.*.