Perhaps you should try some spelling variations:
communicative costs » communication costs, communications costs, communication costa
du developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
inflation tax » inflation rate, inflation _, inflation target
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
tax range » tax rate
l afrique » en afrique
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation tax range _ communicative costs du developpement l afrique.*.