Perhaps you should try some spelling variations:
internal communication » interpersonal communication, intercultural communication, personal communication
developpement en » developpement et, developpement des, developpement de
3 developpement » de developpement, le developpement, et developpement
does variation » de variation, der variation, die variation
theorie does » theorie des, theorie der, theorie die
2.1 internal » 2.3 internal, 3.1 internal, 2 internal
variation 2 » variation 27, variation _, variation 6
2 2.1 » b 2.1, _ 2.1, a 2.1

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

• Adding a wildcard symbol may retrieve word variants: theorie does variation 2 2.1 internal communication a 3 developpement en afrique.*.