Perhaps you should try some spelling variations:
mental development » mineral development, capital development, spatial development
2.3 communication » 3.2 communication, de communication, 4 communication
inflation rates » inflation rate
technology r » technology 1, technology 3, technology 4
costs mental » costs meat, costs rent
r inflation » _ inflation, 2 inflation, 6 inflation
rates race » rates rates, rates raise, rat race
1 afrique » l afrique, en afrique, 1 enrique
race 2.3 » race 8.3, france 2.3, space 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology r inflation rates race 2.3 communication costs mental development 1 afrique.*.