Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang
lang wien » langer wien
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang
dan yang » daun yang, tan yang, yang yang
wien die » wien i
die sang » lee sang, die saar, die samw
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dan yang) OR (wang yang))) or (wang yanling)) lang wien die sang minh hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dan yang) OR (wang yang))) OR (wang yanling)) lang wien die sang minh hong hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dan yang) OR (wang yang))) or (wang yanling)) lang wien die sang minh hong hai ;*".