Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang
yana hua » wang hua, ya hua, yang hui
ren sang » lee sang, le sang, ren weng
hong hai » shang hai, zhong tai, dang hai
tan hua » tuan hua, wang hua, tan chia
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 ((yana hua) or (tan hua)) ren sang minh hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((yana hua) OR (tan hua)) ren sang minh hong hai ;*.