Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
yuan hui » yuan fei, jaan hui, tuan hua
wei gang » wei guang, wei wang, wei yang
gang 3.2 » zwang 3.2
hui wei » hua wei
long do » longer do, long ago, long did
long du » long run, long did, long des
long d » long _, long 2, long 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 liang) or (yang yang)) yuan hui wei gang 3.2 ((((long do) OR (long du))) or (long d)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) yuan hui wei gang 3.2 ((((long do) OR (long du))) OR (long d)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang yang)) yuan hui wei gang 3.2 ((((long do) OR (long du))) or (long d)) ;*".