Perhaps you should try some spelling variations:
data communication » data communications
developpement de » developpement des, developpement durable
technology gaps » technology gap
inflation wages » inflation rates, inflation taxes, inflation targets
a developpement » au developpement, de developpement, le developpement
gaps inflation » has inflation, grade inflation, rapid inflation
wages trade » wages race, wharves trade, states trade
de afrique » de l'afrique, en afrique, l 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 trade data communication costs a developpement de afrique.*.