Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wei yang » pei yang, wei wang, wei yang's
hua gene » human gene, a gene, hua ren
pang kin » kang kim, pang jiu
pang jun » yang jui
yu chen » yu cheng, yi chen, yulu chen
hong yu » wong yue

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

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