Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
del developpement » de developpement, des developpements, le developpement
gaps information » als information, gets information, laws information
technology gaps » technology gap
developpement l » developpement il, developpement la, developpement de
costo del » costa del, cose del, costo e
l afrique » en afrique
gap rate » gap trade, ramp rate, up rate
rate 3.1 » rate 3.10, rates 3.1, rate 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information gap rate 3.1 communication costo del developpement l afrique.*.