Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.10 communications » 4.1 communication, 3.1 communications, 10 communication
rural development » social development
development li » development lid, development lie, development lin
technology 6 » technology _, technology 1, technology 3
inflation la » inflation a, inflation tax, inflation als
6 inflation » _ inflation, 2 inflation, d inflation
costs rural » cost rural
li afrique » l afrique, en afrique
race 4.10 » race 4.2
la race » a race, la roche

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation la race 4.10 communications costs rural development li afrique.*.