Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
inflation targets » inflation target, inflation targeting, inflation rates
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement de » developpement des, developpement durable
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
de afrique » de l'afrique, en afrique, l afrique
case 4.2 » case 4.1, 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 4.2 communication costa e developpement de afrique.*.