Perhaps you should try some spelling variations:
optimal communication » optical communication, optical communications, optic communication
communication across » communication cross, communicating across, communication about
high development » highway development, rights development, dough development
development aid » development a, development africa, development agenda
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
from optimal » from optical, from optional, from animal
aid african » aid africa's, all african, six african
gap from » gaps from, map from, gdp from

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

• Adding a wildcard symbol may retrieve word variants: technology a information gap from optimal communication across high development aid african.*.