Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
lang yan » wang yan, wang yang, zhang yan
kim chai » ka chai
chai dan » chai onn, chai tam, shi dan
dan sang » dan yang, dan dana, dan qing
hong hai » shang hai, zhong tai, hong tan
yan kim » tan kim, yap kim, yong kim

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 kim chai dan sang minh ((hong hai) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan kim chai dan sang minh ((hong hai) OR (dang hai)) ;*.