Perhaps you should try some spelling variations:
yang liang » yan liang, peng liang, yang guang
wang liang » wang yang
yang yang » wang yang, wang yan
zhong tai » hong tan, hong hai, zhong zhi
hua gain » heat gain, run gain, hua ban
tan hua » tuan hua, wang hua, tan chia
yang li » yang lin, yang xi, yang yi

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) or (wang liang))) or (yang yang)) tan hua gain ((yang di) or (yang li)) zhong tai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang liang) OR (wang liang))) OR (yang yang)) tan hua gain ((yang di) OR (yang li)) zhong tai ;.
• Adding a wildcard symbol may retrieve word variants: ((((yang liang) or (wang liang))) or (yang yang)) tan hua gain ((yang di) or (yang li)) zhong tai ;*.