Perhaps you should try some spelling variations:
chang min » zhang ming, chang mae, chan ming
sang minh » kang minah, anh minh, song min
song thin » song jin, song min
lang yan » wang yan, wang yang, zhang yan
yan yang » yang yang, yao yang, dan yang
yun lu » lun lu
yun yu » lun yu
shin » skin, sein, ship

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan yang ((yun lu) or (yun yu)) ((chang min) or (sang minh)) ((song thin) or (song shin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan yang ((yun lu) OR (yun yu)) ((chang min) OR (sang minh)) ((song thin) OR (song shin)) ;.
• Adding a wildcard symbol may retrieve word variants: lang yan yang ((yun lu) or (yun yu)) ((chang min) or (sang minh)) ((song thin) or (song shin)) ;*.