Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
chang yang » chen yang, wang yang, zhang yan
yang hong » wang hong, yang hongli, quang hong
das clan » das bilan, das land, das cern
yan yuan » yan guan, fang yuan, nan yan
hong il » jong il, hyoung il, honig ii
nan ya » nan yan, nana yaa

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

• Performing a fuzzy search may retrieve terms with similar spellings: twinn ((das clan) or (yan yuan)) ((wang yuhan) or (nan ya)) chang yang hong il ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: twinn ((das clan) OR (yan yuan)) ((wang yuhan) OR (nan ya)) chang yang hong il ;.
• Adding a wildcard symbol may retrieve word variants: twinn ((das clan) or (yan yuan)) ((wang yuhan) or (nan ya)) chang yang hong il ;*.