Perhaps you should try some spelling variations:
hear gain » heat gain
shang hai » shang kai, dang hai, chang ha
yang fan » zhang fan, yang dean, yang yang
can hear » can gear, can learn, can help
yang jui » yang judy, yang xi, yang yi
hong hai » zhong tai, dang hai, hong a
fan can » man can, fan cone
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 fan can hear gain ((yang di) or (yang jui)) ((((hong hai) OR (shang hai))) or (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang fan can hear gain ((yang di) OR (yang jui)) ((((hong hai) OR (shang hai))) OR (hong tan)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang fan can hear gain ((yang di) or (yang jui)) ((((hong hai) OR (shang hai))) or (hong tan)) ;".
• Adding a wildcard symbol may retrieve word variants: yang fan can hear gain ((yang di) or (yang jui)) ((((hong hai) OR (shang hai))) or (hong tan)) ;*.