Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
des developpement » des developpements, de developpement, le developpement
technology law » technology 1, technology 2.2, technology 3
inflation food » inflation good, inflation from, inflation und
law inflation » low inflation, log inflation, has inflation
des afrique » en afrique, de l'afrique
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
phase des » phasen des, phase der

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

• Adding a wildcard symbol may retrieve word variants: technology law inflation food prices 3.1 communication phase des developpement des afrique.*.