Perhaps you should try some spelling variations:
wang yidan » wang yan
ying hong » ying chang, hong hong, tin hong
chong suk » chong yun, cong sun
wang lin » wang li, wang qin, yang lin
yong suk » cong sun, rong su
1 best » 3 best, 4 best, 1 besitz
2 best » 3 best, 4 best, 3.2 best

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yidan) or (wang lin)) hang ((1 best) or (2 best)) ying hong ((yong suk) OR (chong suk)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yidan) OR (wang lin)) hang ((1 best) OR (2 best)) ying hong ((yong suk) OR (chong suk)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yidan) or (wang lin)) hang ((1 best) or (2 best)) ying hong ((yong suk) OR (chong suk)) ;*".