Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
4.10 communication » 4.1 communication, 4.1.7 communication, 1.1 communication
rural development » social development
technology area » technology arena, technology array, technology age
development lid » development led, development li, development lie
area inflation » great inflation, core inflation, der inflation
inflation a » inflation _, inflation tax, inflation rate
lid afrique » l afrique
race 4.10 » race 4.2
a race » _ race

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

• Adding a wildcard symbol may retrieve word variants: technology area inflation a race 4.10 communication cost rural development lid afrique.*.