Perhaps you should try some spelling variations:
yan guan » gan guan, yan yuan, yang guang
chia lan » china land, china law, chia wen
cong sun » cong shu, cong van, wing sun
yan tan » tan tan, yan clan, yan wang
lan yan » nan yan, wang yan, qian yan
yan jiu » yang jie, yang jin, pang jiu
wang » wing, wan
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or lang) ((yan tan) OR (yan guan)) chia lan yan jiu ((cong sun) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) ((yan tan) OR (yan guan)) chia lan yan jiu ((cong sun) OR (hong seo)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) ((yan tan) OR (yan guan)) chia lan yan jiu ((cong sun) or (hong seo)) ;".
• Adding a wildcard symbol may retrieve word variants: (wang or lang) ((yan tan) OR (yan guan)) chia lan yan jiu ((cong sun) or (hong seo)) ;*.