Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
mine development » sme development, trade development, business development
risk inflation » risk information, rising inflation, risk inclination
development li » development lid, development lie, development lin
inflation von » inflation john, deflation von, inflation can
costs mine » costs money, costs timing
li afrique » l afrique, en afrique
von case » von coase, von care, von cash
case 1.3 » case 10.3, case 13.3, case 14.3

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

• Adding a wildcard symbol may retrieve word variants: technology risk inflation von case 1.3 communication costs mine development li afrique.*.