Perhaps you should try some spelling variations:
china's development » child development, business development
san communication » sign communication, lean communication, spain communications
communication did » communication die, communication des, communication de
development rates » development rate, development notes, development water
do information » 2 information, 1 information, 3 information
technology do » technology does, technology dlt, technology 1
rates africa » state africa
gap from » gaps from, map from, gdp from
from san » from sand, from sap, from saint

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

• Adding a wildcard symbol may retrieve word variants: technology do information gap from san communication did china's development rates africa.*.