Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
liang wang » liang dan, liang tan, liang ying
wang heat » wang hua, wang he, lag heat
heat gain » health gain, health gains, wheat grains
yang lin » yang jin, wang lin, yang li
hong hai » shang hai, zhong tai, hong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang liang wang heat gain ((yang di) or (yang lin)) ((hong hai) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang liang wang heat gain ((yang di) OR (yang lin)) ((hong hai) OR (dang hai)) ;.
• Adding a wildcard symbol may retrieve word variants: yang liang wang heat gain ((yang di) or (yang lin)) ((hong hai) or (dang hai)) ;*.