Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
les developpement » le developpement, des developpements, leur developpement
developpement l » developpement il, developpement la, 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 4.1 » rules 4.2, rules 4.3, rules 5.1
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 use inflation rate rules 4.1 communication _ les developpement l afrique.*.