Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
jeong shu » jeong su, cong shu
gong min » jong min, gong meng, song ming
song min » song ming, jong min, song jin
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 (song min)) jeong shu ;~.
• Adding a wildcard symbol may retrieve word variants: ying yang yang ((lu yi) or (ku ying)) ((gong min) or (song min)) jeong shu ;*.