Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.7 communications » 2.7 communication, 2 communications, 3.1 communications
rice development » mine development, site development, service development
technology 2.2 » technology _, technology 1, technology 3
development li » development lid, development lie, development lin
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
costs rice » costs rise, cost price, costs risk
li afrique » l afrique, en afrique
case 2.7 » case 2.3, case 2.1, case 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 inflation _ case 2.7 communications costs rice development li afrique.*.