Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
zhong tai » hong hai, zhong zhi
dean can » ideas can, dean a, dean c
can heat » can beat, can hear, ocean heat
yang jui » yang judy, yang xi, yang yi
zhong » zlong
hong » long
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 dean can heat gain ((yang di) or (yang jui)) ((((zhong tai) or (dang hai))) or (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang dean can heat gain ((yang di) OR (yang jui)) ((((zhong tai) OR (dang hai))) OR (hong tan)) ;.
• Adding a wildcard symbol may retrieve word variants: yang dean can heat gain ((yang di) or (yang jui)) ((((zhong tai) or (dang hai))) or (hong tan)) ;*.