Perhaps you should try some spelling variations:
gene yang » gene bank
lang yan » wang yang, zhang yan, yang yang
hua gene » human gene, a gene, hua ren
yang jun » yang jui, pang jun, yang jin
jun wong » john wong
wong sau » wong sam, wong siu, wong shiu
yan hua » tan hua, ya hua, wang hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yan) OR (wang yan)) yan hua gene yang jun wong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (wang yan)) yan hua gene yang jun wong sau ;*".