Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technology gaps » technology gap
inflation wages » inflation rates, inflation taxes, inflation targets
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
gaps inflation » has inflation, grade inflation, rapid inflation
wages case » ages case, wages close, cases case
l afrique » en afrique
case 4.1 » case 4.2, case 1

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 4.1 communication costa e developpement l afrique.*.