Perhaps you should try some spelling variations:
dong nan » dong yang, dong bin, dong cao
hua gene » human gene, hua ren, hy5 gene
yang jin » yang jie, yang jun, ying jin
pang jiu » pang jun, yang jie, pan ji
long shu » cong shu, tong shui, long du
a gene » a genre, a gender, a gentle
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong nan) or (dong sin)) ya ((hua gene) OR (a gene)) ((yang jin) or (pang jiu)) long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong nan) OR (dong sin)) ya ((hua gene) OR (a gene)) ((yang jin) OR (pang jiu)) long shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong nan) or (dong sin)) ya ((hua gene) OR (a gene)) ((yang jin) or (pang jiu)) long shu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong nan) or (dong sin)) ya ((hua gene) OR (a gene)) ((yang jin) or (pang jiu)) long shu ;*.