Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
jang minh » sang minh, kang minah, anh minh
long hour » long hours, long haul
kim jang » kim jane, kim jong, kim kwang
yang yi » yang di, yang jui
yang xi » yang di, yang jui
long do » long d, long du, longer do

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ((yang yi) or (yang xi)) kim jang minh ((long hour) or (long do)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang yi) OR (yang xi)) kim jang minh ((long hour) OR (long do)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang yi) or (yang xi)) kim jang minh ((long hour) or (long do)) ;*.