Perhaps you should try some spelling variations:
communication 3 » communication _, communication a
sme development » trade development
development de » development d, development ds, developpement de
die variation » de variation, does variation, der variation
theorie die » theorie der, theorie des, theorie ein
variation 6 » variation _, variations _, variation des
new china » how china
law china » how china
3 sme » 3 same, _ sme, 3 smt

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: "theorie die variation 6 ((new china) OR (law china)) communication 3 sme development de l'afrique.~".
• Adding a wildcard symbol may retrieve word variants: theorie die variation 6 ((new china) OR (law china)) communication 3 sme development de l'afrique.*.