Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
1.2 communication » 3.2 communication, 6.2 communication, 1.1 communication
der developpement » de developpement, des developpements, leur developpement
inflation world » inflation gerold, innovation world, inflation build
developpement l » developpement il, developpement la, developpement de
world private » world price, world climate, world preface
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
private 1.2 » private 1.1, private 4.2, private 3.3
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation world private 1.2 communication phase der developpement l afrique.*.