Perhaps you should try some spelling variations:
internal communication » interpersonal communication, intercultural communication, personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
der variation » de variation, does variation, die variation
2.1 internal » 2.3 internal, 3.1 internal, 2 internal
a de » a die, a der, a des
theorie » theories

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

• Adding a wildcard symbol may retrieve word variants: theorie der variation _ 2.1 internal communication a de developpement en afrique.*.