Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
guang tuan » huang juan
shang hai » shang kai, dang hai, chang ha
tuan hua » tan hua, tuan vu, yuan hui
hua gain » heat gain, run gain, hua ban
yang jin » yang jie, yang jun, ying jin
hong hai » zhong tai, dang hai, hong a
tan » than

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang guang tuan hua gain ((yang jin) or (yang di)) ((((hong hai) OR (shang hai))) or (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang guang tuan hua gain ((yang jin) OR (yang di)) ((((hong hai) OR (shang hai))) OR (hong tan)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang guang tuan hua gain ((yang jin) or (yang di)) ((((hong hai) OR (shang hai))) or (hong tan)) ;*".