Perhaps you should try some spelling variations:
communication 2.3.3 » communication 3.3, communication 2.4, communication 3.2
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
violations acts » violations faced
technology 2.8 » technology 2.2, technology 2.1, technology 2.3
2.8 violations » law violations, _ violations, γ0 violations
acts space » 4ts space, acts state, action space
de afrique » de l'afrique, en afrique, l afrique
2.3.3 der » 2.3.1 der, 2.3.2 der, 3.3.3 der

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

• Adding a wildcard symbol may retrieve word variants: technology 2.8 violations acts space 2.1 communication 2.3.3 der developpement de afrique.*.