Perhaps you should try some spelling variations:
yulu chen » yu chen
yu cheng » yu chen, _ cheng
chan eng » chan fong, chan kang, chan ming
eng kong » eng hong, hong kong, king kong
kong siu » kong eiu, wong siu, dong sin
wan yan » wang yan, wai yan, wang yang
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) OR (nan yan)) yao ((yulu chen) or (yu cheng)) chan eng kong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (nan yan)) yao ((yulu chen) OR (yu cheng)) chan eng kong siu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) OR (nan yan)) yao ((yulu chen) or (yu cheng)) chan eng kong siu ;".
• Adding a wildcard symbol may retrieve word variants: ((wan yan) OR (nan yan)) yao ((yulu chen) or (yu cheng)) chan eng kong siu ;*.