Perhaps you should try some spelling variations:
communications phase » communication phase, communications case, communications purchase
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
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
prices 2.1 » prices 2.4, prices 2.3, prices 3.1

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 2.1 communications phase der developpement en afrique.*.