Perhaps you should try some spelling variations:
lang oanh » lang lang
oanh tran » anh tran, anh tuan, binh tran
kong john » king john, wong john, longo john
kong saur » kong sar, kong siu, kong your
tran hua » tan hua, tuan hua, tran duc
ren kong » tan kong, nan kong, ren weng
hua ren » hua chen
von sam » von sa, von sap, von scham

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang oanh tran hua ren kong john ((von sam) or (kong saur)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang oanh tran hua ren kong john ((von sam) OR (kong saur)) ;*.