Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
than wong » thang long, than one, than done
chan eng » chan fong, chan kang, chan ming
yan wang » yuan wang, yang yang, qian wang
one than » money than, more than, one thing
wong sau » wong sam, wong siu, wong shiu
li gene » i gene, iii gene, lof gene
l1 gene » 1 gene, 11 gene, a1 gene

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yuan kang) or (chan eng))) or (yan wang)) liang ((li gene) OR (l1 gene)) one than wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yuan kang) OR (chan eng))) OR (yan wang)) liang ((li gene) OR (l1 gene)) one than wong sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yuan kang) or (chan eng))) or (yan wang)) liang ((li gene) OR (l1 gene)) one than wong sau ;*".