Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
les developpement » le developpement, des developpements, leur developpement
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
technology und » technology fund, technology used, technology use
und inflation » _ inflation, low inflation, der inflation
rate rules » trade rules, water rules, wage rules
rules 4.2 » rules 3.2, rules 4.3
l afrique » en afrique
3 les » 2 les, 1 les, 5 les

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

• Adding a wildcard symbol may retrieve word variants: technology und inflation rate rules 4.2 communication 3 les developpement l afrique.*.