Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
rural development » social development
development lid » development led, development li, development lie
technology 2 » technology _, technology 1, technology 3
inflation la » inflation a, inflation tax, inflation als
2 inflation » 12 inflation, _ inflation, 6 inflation
costs rural » cost rural
lid afrique » l afrique
race 2.7 » race 3.7, rate 2.7, rice 2.7
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 2 inflation la race 2.7 communication costs rural development lid afrique.*.