Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
2.3 communication » 3.2 communication, de communication, 4 communication
data development » delta development, doha development, data envelopment
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
development l » development li, development 1, development law
rate spaces » state spaces, data spaces, safe spaces
spaces 2.3 » space 2.3, spaces 2.1, spaces 2.2
cost data » test data
l afrique » en afrique

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 2.3 communication cost data development l afrique.*.