Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
2011 communication » 2.14 communication, 2.3 communication, 1 communication
development enters » development centers, development center, development entry
urban development » human development
relative notes » relative incomes, relative notion, relative wages
technology 4 » technology _, technology 1, technology 3
notes policy » does policy, incomes policy, states policy
policy 2011 » policy 2001, policy 2010, policy 2012
4 relative » _ relative, a relative, 3 relative
cost urban » most urban, worst urban, bust urban
enters a » enters _, enter _, waters a

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

• Adding a wildcard symbol may retrieve word variants: technology 4 relative notes policy 2011 communication cost urban development enters a.*.