Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mass communications » mass communication, data communications, crisis communications
sensors developed » less developed
inflation rates » inflation rate
costs sensors » cost sensors, iot sensors, soft sensors
technology r » technology 1, technology 3, technology 4
r inflation » _ inflation, 2 inflation, 6 inflation
rates i » rates _, rates a, rates 7
i mass » ii mass, _ mass, a mass

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

• Adding a wildcard symbol may retrieve word variants: technology r inflation rates i mass communications costs sensors developed _ afrique.*.