Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
inflation a » inflation _, inflation tax, inflation rate
prices 1.1 » prices 2.1, prices 3.1, prices 2.4
a prices » a price, 2 prices, gas prices
costs le » 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 _ inflation a prices 1.1 communication costs le developpement en afrique.*.