Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
dean hua » dean a, tan hua, tuan hua
hua gain » heat gain, run gain, hua ban
yang lin » yang jin, wang lin, huang lin
hong ghi » zhong zhi, hong g, hong hai
yang li » yang di, yang xi, yang yi
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 yang dean hua gain ((((yang lin) OR (yang liang))) or (yang li)) ((hong ghi) or (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang dean hua gain ((((yang lin) OR (yang liang))) OR (yang li)) ((hong ghi) OR (hong tan)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang dean hua gain ((((yang lin) OR (yang liang))) or (yang li)) ((hong ghi) or (hong tan)) ;*".