Perhaps you should try some spelling variations:
oral communication » personal communication
communication 2.2 » communications 2.2, communication 2.4, communication 3.2
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
variation von » variationen von, variation _, variation 6
led oral » led total, new oral
von led » von lea, von lee, von leo
2.2 de » 2.2 die, 2.2 der, 2.2 des

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation von led oral communication 2.2 de developpement en afrique.*.