Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
tuan hua » tuan vu, yuan hui
pei yang » wei yang, hui yang, pei yun
3.1 long » 3 long, 3.1 low
3.2 long » 3.2 land
nan yan » nan ya, wang yan, qian yan
tan hua » wang hua, tan chia, tan puay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (nan yan)) ((tuan hua) or (tan hua)) pei yang ((3.1 long) OR (3.2 long)) d ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (nan yan)) ((tuan hua) OR (tan hua)) pei yang ((3.1 long) OR (3.2 long)) d ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (nan yan)) ((tuan hua) or (tan hua)) pei yang ((3.1 long) OR (3.2 long)) d ;*".