Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
3.2 communication » 3 communication, 2.3 communication, de communication
del developpement » de developpement, des developpements, le developpement
developpement il » developpement de, developpement et, developpement du
technology gaps » technology gap
inflation cases » inflation causes, inflation crises, inflation rates
gaps inflation » has inflation, grade inflation, rapid inflation
cases case » causes case, case case, crises case
il afrique » l afrique, en afrique
costo del » costa del, cose del, costo e
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation cases case 3.2 communication costo del developpement il afrique.*.