Perhaps you should try some spelling variations:
development chapter » development center, development case
oral communication » personal communication
farm development » term development, from development, team development
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
variation 6 » variation _, variations _, variation des
eg oral » new oral
6 eg » 46 eg, 6 e, 6 el

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

• Adding a wildcard symbol may retrieve word variants: typology de variation 6 eg oral communication _ farm development chapter afrique.*.