Perhaps you should try some spelling variations:
tuan hua » tan hua, tuan vu, yuan hui
tan chia » tuan china, than china, can china
dan kang » dan yang, chan kang, yuan kang
kang kim » kanaga kim, tan kim, yong kim
kim song » kim young, kim eung
song hai » hong hai, shang hai, dang hai
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling ((tuan hua) or (tan chia)) dan kang kim song hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((tuan hua) OR (tan chia)) dan kang kim song hai ;*.