Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
chang min » zhang ming, chang mae, chan ming
song thin » song shin, song jin, song min
lang tan » liang tan, lang lang, tang tang
tan wang » tan yang, yan wang, qian wang
wang lin » wang li, wang qin, yang lin
lin xu » ling xu, lin x, colin xu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang tan wang lin xu ((chang min) or (sang minh)) song thin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang tan wang lin xu ((chang min) OR (sang minh)) song thin ;*.