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
developpement de » developpement des, developpement durable
inflation good » inflation gopi, inflation gerold, inflation gross
technology d » technology 1, technology 3, technology 4
good private » goods private, covid private, world private
d inflation » _ inflation, 2 inflation, 6 inflation
private 1.2 » private 1.1, private 4.2, private 3.3
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 good private 1.2 communication phase der developpement de afrique.*.