Perhaps you should try some spelling variations:
macau communication » macau communications, data communication, csr communication
child development » world development
information gaps » information gap
development rate » development create, development route, development water
der information » insider information, sector information, labor information
technology der » technology does, technology 4ir, technology dlt
costs child » costs china
rate africa » rates africa, rates aafrica, trade africa

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

• Adding a wildcard symbol may retrieve word variants: technology der information gaps _ macau communication costs child development rate africa.*.