Perhaps you should try some spelling variations:
f6.2 communication » 6.2 communication, 7.6.2 communication, 3.2 communication
technology choice » technology change
choice inflation » choice information, price inflation
du developpement » de developpement, le developpement, et developpement
inflation rates » inflation rate
developpement l » developpement il, developpement la, developpement de
rates case » rates cape, states case, rates east
case f6.2 » case 6.2, case f5.2, case 4.6.2
l afrique » en afrique
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology choice inflation rates case f6.2 communication costs du developpement l afrique.*.