Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
state development » estate development, stable development, staff development
development lie » development life, development li, development lid
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
inflation id » inflation i, inflation ii, inflation und
lie afrique » l afrique
cost state » host state, host states, cost scale
case 5.2 » case 4.2, case 3.2, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation id case 5.2 communication cost state development lie afrique.*.