Perhaps you should try some spelling variations:
communication 2.3.4 » communication 2.3.3, communication 2.3.8, communication 3.3.4
true communication » truth communication, time communication, stroke communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
1 interaction » 10 interaction, 17 interaction, 19 interaction
interaction a » interaction _, interaction 1, interaction 4
technology 1 » technology _
2.3.4 der » 2.3.1 der, 2.3.2 der, 2.3.3 der
2 true » _ true, a true, 1 true

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

• Adding a wildcard symbol may retrieve word variants: technology 1 interaction a 2 true communication 2.3.4 der developpement en afrique.*.