Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement et » developpement des, developpement de, development east
inflation wage » inflation rate, inflation target, inflation rates
technology 12 » technology 1.2, technology 1, technology 2
12 inflation » 10 inflation, 2 inflation, 3.2 inflation
et afrique » en afrique, l afrique
price 3.1 » prices 3.1, rice 3.1, price 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology 12 inflation wage price 3.1 communications costs _ developpement et afrique.*.