Perhaps you should try some spelling variations:
boon chong » boon siong, joon chang
chin boon » chin soon, china boom, cheng boon
dan yang » daun yang, tan yang, wang yang
chong yu » chong yun, hong yu, chong yi
nan yan » nan ya, qian yan, nana yaa
yu chen » yu cheng, yi chen, yulu chen
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((((nan yan) OR (dan yang))) or (wang yan)) ((yu chen) or (hua ren)) chin boon chong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((nan yan) OR (dan yang))) OR (wang yan)) ((yu chen) OR (hua ren)) chin boon chong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((nan yan) OR (dan yang))) or (wang yan)) ((yu chen) or (hua ren)) chin boon chong yu ;*".