Perhaps you should try some spelling variations:
mine development » sme development, trade development, business development
communication 3 » communication _, communication a
3 communication » 4 communication, de communication, data communication
typologien der » typologie der, typologie des, apologien der
development ds » development d, development does, development desd
der variation » de variation, does variation, die variation
ds afrique » en afrique, l afrique, de l'afrique
aid days » hard days, aid data, aid does
old days » old ways
3 mine » _ mine, a mine, 3 mise

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: "typologien der variation ((aid days) OR (old days)) 3 communication 3 mine development ds afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologien der variation ((aid days) OR (old days)) 3 communication 3 mine development ds afrique.*.