Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mine development » sme development, trade development, business development
technology gaps » technology gap
inflation wages » inflation rates, inflation taxes, inflation targets
development led » development lid, development leads, development land
gaps inflation » has inflation, grade inflation, rapid inflation
led afrique » en afrique, l afrique
wages case » ages case, wages close, cases case
costs mine » costs money, costs timing
case data » cases data, base data, use data

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation wages case data communications costs mine development led afrique.*.