Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
mental development » mineral development, capital development, spatial development
technology help » technologies help, technology how, technology human
help inflation » high inflation, der inflation, bei inflation
development l » development li, development 1, development law
costs mental » costs meat, costs rent
rate rate » rates rates, rate ratio, rate water
l afrique » en afrique
rate 4.2 » rates 4.2, rate 4.3, rate 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology help inflation rate rate 4.2 communications costs mental development l afrique.*.