Perhaps you should try some spelling variations:
wang yang » wang yan, wang yanling
y.c long » 3.2 long, 3.1 long, 2.2 long
yang y.c » yang yi, yang yao, yang 4.3
pei yang » wei yang, hui yang, pei yun
tuan hua » tuan vu, yuan hui
nan yan » nan ya, wang yan, qian yan
tan hua » wang hua, tan chia, tan puay
long du » long d, long do, long run

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 (wang liang))) or (nan yan)) ((tuan hua) or (tan hua)) pei yang y.c long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yang) OR (wang liang))) OR (nan yan)) ((tuan hua) OR (tan hua)) pei yang y.c long du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang yang) OR (wang liang))) or (nan yan)) ((tuan hua) or (tan hua)) pei yang y.c long du ;*".