Perhaps you should try some spelling variations:
technology usage » technology use, technology age, technology users
usage integrated » change integrated, cae integrated, issue integrated
de communication » mobile communication, online communication
down development » town development, grown development, loan development
development plan » development plans, development planning, development policy
plan africa » can africa, pan african, urban africa
costs down » costs how
rural a » rural _, rural el, rural et
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology usage integrated rural a de communication costs down development plan africa.*.