Perhaps you should try some spelling variations:
urban development » human development
de communication » mobile communication, online communication
development case » development china
communication 3 » communication _, communication a
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
relative area » relative sea, relative age, relative care
4.2 relative » 2.2 relative, 1.2 relative, 3.2 relative
area prices » real prices, tea prices, cereal prices
case labor » care labor, based labor, male labor
prices de » prices does, prices _, prices a
3 urban » 2 urban, 4 urban, 1 urban

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 relative area prices de communication 3 urban development case labor.*.