Perhaps you should try some spelling variations:
dong nana » dong nan, dong yang
wang yang » wang yan, wang liang, wang yanling
hua gene » human gene, a gene, hua ren
yang jui » yang judy, yang di, yang yi
hong shu » cong shu, tong shui, wong shiu
yaa hua » ya hua
yang xi » yang di, yang yi

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

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