Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
jui juan » ruiz juan
rud juan » ruiz juan, roa juan
ten minh » tuan minh, thi minh, ten high
bed high » based high, oecd high, der high
del high » der high, delhi high, diet high
cong yu » hong yu, rong yu, chong yun

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 ((jui juan) OR (rud juan)) rene ((((ten minh) or (bed high))) or (del high)) cong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((jui juan) OR (rud juan)) rene ((((ten minh) OR (bed high))) OR (del high)) cong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((jui juan) OR (rud juan)) rene ((((ten minh) or (bed high))) or (del high)) cong yu ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((jui juan) OR (rud juan)) rene ((((ten minh) or (bed high))) or (del high)) cong yu ;*.