Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
technology 3.3.3 » technology 3.1.3, technology 3.3.1, technology 3.3.4
3.3.3 inflation » 2.3.1 inflation, 5.33 inflation, 5.4.3 inflation
inflation rates » inflation rate
20 development » 2 development, 2015 development, 2007 development
development mu » development menu, development must, development may
rates date » rates data, rates rates, rates have
mu enrique » _ enrique, luis enrique
date 2.3 » daten 2.3, data 2.3, rate 2.3
costs 20 » costs 60, costs 2.3, costs 2.1

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• Adding a wildcard symbol may retrieve word variants: technology 3.3.3 inflation rates date 2.3 communication costs 20 development mu enrique.*.