Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
der developpement » de developpement, des developpements, leur developpement
developpement la » developpement de, developpement et, developpement du
technology area » technology arena, technology array, technology age
area inflation » great inflation, core inflation, der inflation
inflation der » inflation index, inflation _, inflation tax
la afrique » l afrique, la fabrique, en afrique
der rules » order rules, debt rules, do rules
rules 4.2 » rules 3.2, rules 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology area inflation der rules 4.2 communication phase der developpement la afrique.*.