Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
3.2 communication » 3 communication, 2.3 communication, de communication
data development » delta development, doha development, data envelopment
technology 4ir » technology 4, technology 4.1, technology 4.2
development li » development lid, development lie, development lin
4ir inflation » der inflation, die inflation, aid inflation
rate spaces » state spaces, data spaces, safe spaces
spaces 3.2 » space 3.2, spaces 4.2, spaces 6.2
li afrique » l afrique, en afrique
cost data » test data

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation rate spaces 3.2 communication cost data development li afrique.*.