Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
song ming » song bing, song min, song jin
jeong shu » jeong su, cong shu
gong min » song min, gong meng, gong si
jong min » song min, cog min, jeong mi
ku ying » ka ying, ku ring, hui ying
lu yi » wu yi, li yi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ying yang yang ((lu yi) OR (ku ying)) ((gong min) OR (((jong min) OR (song ming)))) jeong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ying yang yang ((lu yi) or (ku ying)) ((gong min) or (((jong min) OR (song ming)))) jeong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ying yang yang ((lu yi) or (ku ying)) ((gong min) or (((jong min) OR (song ming)))) jeong shu ;*.