Perhaps you should try some spelling variations:
tuan heat » tuan hua, tube heat
heat gain » health gain, health gains, wheat grains
long hail » long haul, long tail, long chain
yan tuan » yan guan, yan yuan, anh tuan
yang jui » yang judy, yang di, yang xi
yang li » yang lin, yang di, yang xi
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan tuan heat gain ((((yang li) or (yang jui))) or (pang jun)) long hail ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan tuan heat gain ((((yang li) OR (yang jui))) OR (pang jun)) long hail ;.
• Adding a wildcard symbol may retrieve word variants: wang yan tuan heat gain ((((yang li) or (yang jui))) or (pang jun)) long hail ;*.