Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
sensors developed » less developed
inflation target » inflation targeting, inflation rate, inflation rates
technology 3 » technology _, technology 1, technology 4
cost sensors » iot sensors, soft sensors, gas sensors
3 inflation » _ inflation, 2 inflation, 6 inflation
target 4 » target _
4 mass » 4 maps, a mass, 1 mass

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation target 4 mass communication cost sensors developed _ afrique.*.