Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
zhong zhi » zhang zhi, zhong tai
gan jiao » gao jia, ben jiao, ren jiao
chen can » when can, chen tan, chen chuan
can hong » tan hong, care hong, wang hong
hong ghi » hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: gan jiao ((yang yang) or (wang liang)) chen can hong ((hong ghi) OR (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: gan jiao ((yang yang) OR (wang liang)) chen can hong ((hong ghi) OR (zhong zhi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "gan jiao ((yang yang) or (wang liang)) chen can hong ((hong ghi) OR (zhong zhi)) ;".
• Adding a wildcard symbol may retrieve word variants: gan jiao ((yang yang) or (wang liang)) chen can hong ((hong ghi) OR (zhong zhi)) ;*.