Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
4.4 communication » 5.4 communication, 4.1 communication, 1.4 communication
model development » local development, social development, global development
development lid » development led, development li, development lie
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
lid afrique » l afrique
costs 4.4 » costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology die inflation _ costs 4.4 communication cost model development lid afrique.*.