Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
inflation targets » inflation target, inflation targeting, inflation rates
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement en » developpement et, developpement des, developpement de
technology gaps » technology gap
e developpement » de developpement, le developpement, et developpement
gaps inflation » has inflation, grade inflation, rapid inflation
targets case » markets case, targets can, targets caps
case 5.2 » case 4.2, case 3.2, case 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 targets case 5.2 communication costa e developpement en afrique.*.