Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology users » technology use, technology series, technology transfers
la developpement » le developpement, de developpement, et developpement
users inflation » users information, der inflation, does inflation
inflation rates » inflation rate
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
rates rules » rate rules, gats rules, rates rates
rules 6.2 » rules 3.2, rules 4.2, rules 2.2
l afrique » en afrique
3 la » 3 a, a la, _ la

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

• Adding a wildcard symbol may retrieve word variants: technology users inflation rates rules 6.2 communication 3 la developpement l afrique.*.