Perhaps you should try some spelling variations:
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
les developpement » le developpement, des developpements, leur developpement
communications 1 » communications 14, communications _, communications a
developpement en » developpement et, developpement des, developpement de
technology use » technology 1, technology 2.2, technology 3
use inflation » push inflation, und inflation, die inflation
rate rules » trade rules, water rules, wage rules
rules 4.2 » rules 3.2, rules 4.3
1 les » 2 les

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

• Adding a wildcard symbol may retrieve word variants: technology use inflation rate rules 4.2 communications 1 les developpement en afrique.*.