Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
les communications » laos communications, nps communications, u.s communications
later development » later developments, water development, late development
development fast » development east, development past, development first
technology tpm » technology tax, technology txt, technology than
tpm citation » text citation, _ citation, 3 citation
costs later » costs water, costs matter, costs labor
fast africa » east africa, east african, west africa
citation a » citation _, citations _, elicitation a
better les » better lives, better ones, better new
a better » _ better

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

• Adding a wildcard symbol may retrieve word variants: technology tpm citation a better les communications costs later development fast africa.*.