Perhaps you should try some spelling variations:
mental development » mineral development, capital development, spatial development
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
development lin » development li, development lid, development lie
technology use » technology 1, technology 2.2, technology 3
use inflation » push inflation, und inflation, die inflation
costs mental » costs meat, costs rent
lin afrique » en afrique, l afrique
race 1.1 » race 1.4, race 1.5, tracer 1.1

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

• Adding a wildcard symbol may retrieve word variants: technology use inflation _ race 1.1 communication costs mental development lin afrique.*.