Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
inflation goods » inflation good, inflation gross, information goods
goods private » good private, bonds private, goes private
technology d » technology 1, technology 3, technology 4
d inflation » _ inflation, 2 inflation, 6 inflation
private 1.1 » private 1.2, private 3.3, private 4.2
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 goods private 1.1 communication phase der developpement de afrique.*.