Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology gaps » technology gap
gaps infection » mumps infection, gaps objection, hpv infection
infection rate » infection rates, inflation rate
development li » development lid, development lie, development lin
costs world » sports world
li afrique » l afrique, en afrique
rate pre » late pre, rate peg, rate arp
pre data » price data, probe data, care data

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

• Adding a wildcard symbol may retrieve word variants: technology gaps infection rate pre data communications costs world development li afrique.*.