Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
tan chia » tuan china, than china, can china
wei yang » pei yang, wei wang, wei yang's
yang 3.2 » zwang 3.2, yang 4.3, yang y.c
tan hua » tuan hua, wang hua, tan puay
long do » long d, longer do, long ago
long du » long d, long run, long did

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan liang) or (yang yang)) ((tan hua) or (tan chia)) wei yang 3.2 ((long do) OR (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang yang)) ((tan hua) OR (tan chia)) wei yang 3.2 ((long do) OR (long du)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang yang)) ((tan hua) or (tan chia)) wei yang 3.2 ((long do) OR (long du)) ;*".