Perhaps you should try some spelling variations:
dong ryangg » dong yang
wang kyoung » wang hyoung, hwang byoung, wang yong
rana hua » wang hua, tan hua
hua rent » hua ren
yan clan » das clan, yan guan, yan yuan
yan tan » tan tan, yan guan, yan wang
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong ryangg) or (wang kyoung)) rana hua rent ((yan tan) OR (yan clan)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong ryangg) OR (wang kyoung)) rana hua rent ((yan tan) OR (yan clan)) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong ryangg) or (wang kyoung)) rana hua rent ((yan tan) OR (yan clan)) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong ryangg) or (wang kyoung)) rana hua rent ((yan tan) OR (yan clan)) hong yu ;*.