Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
doha development » a development, 2 development
technology gaps » technology gap
inflation rates » inflation rate
gaps inflation » has inflation, grade inflation, rapid inflation
development li » development lid, development lie, development lin
costs doha » costs data, costs down
li afrique » l afrique, en afrique
whose 2.3 » whose 20.4, phase 2.3, whole 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation rates whose 2.3 communication costs doha development li afrique.*.