Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
les developpement » le developpement, des developpements, leur developpement
developpement la » developpement de, developpement et, developpement du
inflation food » inflation good, inflation from, inflation und
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
prices 2.1 » prices 2.4, prices 2.3, prices 3.1
la afrique » l afrique, la fabrique, en afrique
phase les » phase des, phase der, phase bis

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation food prices 2.1 communication phase les developpement la afrique.*.