Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
inflation food » inflation good, inflation from, inflation und
technology d » technology 1, technology 3, technology 4
d inflation » _ inflation, 2 inflation, 6 inflation
prices 3.5 » prices 3.1, prices 3.2, prices 7.5
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology d inflation food prices 3.5 communication phase der developpement de afrique.*.