Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yala » yang yang, yang yao, yang all
hua gene » human gene, hua ren, hy5 gene
yang jun » yang jui, pang jun, yang jin
new main » new spain, new math
hong yu » wong yue
a gene » a genre, a gender, a gentle

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

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