Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
hua zhang » hua zhong, hua jiang, hua zhao
hao zhang » xiao zhang, zhao zheng, ceo zhang
yang jui » yang judy, yang di, yang xi
wen wang » wei wang, chen wang, weng fang
yang yi » yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ying yang) or (yang yang)) ((yang yi) or (yang jui)) wen wang ((hua zhang) OR (hao zhang)) zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ying yang) OR (yang yang)) ((yang yi) OR (yang jui)) wen wang ((hua zhang) OR (hao zhang)) zhi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ying yang) or (yang yang)) ((yang yi) or (yang jui)) wen wang ((hua zhang) OR (hao zhang)) zhi ;".
• Adding a wildcard symbol may retrieve word variants: ((ying yang) or (yang yang)) ((yang yi) or (yang jui)) wen wang ((hua zhang) OR (hao zhang)) zhi ;*.