Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology gaps » technology gap
inflation wages » inflation rates, inflation taxes, inflation targets
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
gaps inflation » has inflation, grade inflation, rapid inflation
wages race » wages trade, wage rate, wages case
race data » price data, place data, space data
l afrique » en afrique
costs a » costs _, costs 4

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 race data communications costs a developpement l afrique.*.