Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
2.3 communication » 3.2 communication, de communication, 4 communication
technology gaps » technology gap
inflation rates » inflation rate
e developpement » de developpement, le developpement, et developpement
gaps inflation » has inflation, grade inflation, rapid inflation
des afrique » en afrique, de l'afrique
rates case » rates cape, states case, rates east
case 2.3 » case 3, case 4.1, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation rates case 2.3 communication costa e developpement des afrique.*.