Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
et developpements » et developpement, des developpements, en developpement
developpements l » developpements de, developpement il, developpement la
inflation goods » inflation good, inflation gross, information goods
technology 12 » technology 1.2, technology 1, technology 2
12 inflation » 10 inflation, 2 inflation, 3.2 inflation
goods prices » goods services, gas prices
prices 4.1 » price 4.1, prices 2.1, prices 3.1
l afrique » en afrique
phase et » phase der, phase des, phase mit

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

• Adding a wildcard symbol may retrieve word variants: technology 12 inflation goods prices 4.1 communication phase et developpements l afrique.*.