Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
wang hui » wang hua, wang zhi, wang wei
hui ying » huei ying, hoi ying, hui ping
red pine » red line, red lines, red ink
hong shu » cong shu, tong shui, wong shiu
yang yi » yang di, yang jui
yang xi » yang di, yang jui
red tin » red line

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (((yang yi) or (yang xi)))) wang hui ying ((red tin) OR (red pine)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (((yang yi) OR (yang xi)))) wang hui ying ((red tin) OR (red pine)) hong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (((yang yi) or (yang xi)))) wang hui ying ((red tin) OR (red pine)) hong shu ;*".