Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
heat gain » health gain, health gains, wheat grains
yang yan » yang yang, wang yan, yang fan
hua gain » run gain, hua ban, via gain
yang li » yang lin, yang di, yang xi
yang yi » yang di, yang xi, yang jui
hong ng » hong kong, hong jong, hong hong
hong g » hong w, hong 7, hong a

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yan liang ((hua gain) OR (heat gain)) ((yang li) or (yang yi)) ((hong g) or (hong ng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yan liang ((hua gain) OR (heat gain)) ((yang li) OR (yang yi)) ((hong g) OR (hong ng)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yan liang ((hua gain) OR (heat gain)) ((yang li) or (yang yi)) ((hong g) or (hong ng)) ;*".