Perhaps you should try some spelling variations:
chang won » chang soon, chang ann, chang min
trang van » trang vang, frans van
soon seng » soon beng, soon heng, soon siong
sang yoo » sang yu
ganga ya » gang yao
en chang » shen chang, en charge, han chang
van en » van den, van een, van es

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((sang yoo) or (ganga ya)) trang van en chang won ((soon seng) OR (khoon seng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((sang yoo) OR (ganga ya)) trang van en chang won ((soon seng) OR (khoon seng)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((sang yoo) or (ganga ya)) trang van en chang won ((soon seng) OR (khoon seng)) ;".
• Adding a wildcard symbol may retrieve word variants: ((sang yoo) or (ganga ya)) trang van en chang won ((soon seng) OR (khoon seng)) ;*.