Perhaps you should try some spelling variations:
communication cross » communication costs
oral communication » personal communication
urban development » human development
risk information » bank information, tourism information, tourist information
development rate » development create, development route, development water
information 3 » information 2
cross urban » across urban, crisis urban, cairo's urban
rate africa » rates africa, rates aafrica, trade africa
16 oral » 16 moral, 1 oral, 10 oral
3 16 » 13 16, 3 1, _ 16

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

• Adding a wildcard symbol may retrieve word variants: technology risk information 3 16 oral communication cross urban development rate africa.*.