Perhaps you should try some spelling variations:
oral communication » personal communication
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
development l » development li, development 1, development law
variation 4 » variations 4, variation _, variation 6
l afrique » en afrique
als oral » als organ, als ort, als orte
pt test » et test, post test, fit test
ct test » et test, fit test, out test
4 als » _ als, 2 als, 4 abs

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie die variation 4 als oral communication ((pt test) OR (ct test)) development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie die variation 4 als oral communication ((pt test) OR (ct test)) development l afrique.*.