Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development pattern » development patterns, development matters, developmental patterns
urban development » human development
3 communications » 3 communication, 2 communications, 4 communications
technology 2.1 » technology 2.2, technology 3.1, technology 1
state policy » rate policy, state policies, trade policy
costs urban » cost urban, across urban, crisis urban
pattern bet » pattern set, pattern sets, pattern new
2.1 nation » 2.1 notation, 2.1 national, 2.1 notations
policy 3 » policy 1

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 nation state policy 3 communications costs urban development pattern bet.*.