Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang than » yang dean, yang fan
zhong tai » hong tan, hong hai, zhong zhi
than oil » than coal, than only, than one
oil real » oil coal, oil rent
wong yue » wang yue, hong yu
long li » song li, long live, long life

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 than oil real long li ((zhong tai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang than oil real long li ((zhong tai) OR (wong yue)) ;*.