Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
gene hong » eng hong, gene one
long sam » wong sam, long span, long way
long arm » long term
11 gene » 1 gene, a1 gene, l1 gene
yan 11 » can 11, man 11

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) yan 11 gene hong tan ((long sam) OR (long arm)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) OR (yang yang)) yan 11 gene hong tan ((long sam) or (long arm)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang liang) OR (yang yang)) yan 11 gene hong tan ((long sam) or (long arm)) ;*.