Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
technology 1.2.4 » technology 13.2.4, technology 1.4.4, technology 1.2.3
open development » clean development, driven development, human development
1.2.4 inflation » 2.2.4 inflation, 3.1.2.2 inflation, 10.7 inflation
development lid » development led, development li, development lie
lid afrique » l afrique
costs open » cost open, costs over
rate rate » rates rates, rate ratio, rate water
rate 2.3 » rates 2.3, rate 2.4, rate 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology 1.2.4 inflation rate rate 2.3 communication costs open development lid afrique.*.