Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang than » wang shawn, wang yuhan, wang yan
than coal » than modal, than cost, than oil
zhong tai » hong tan, hong hai, zhong zhi
wong yue » wang yue, hong yu
rent » rents, rest
tang » tan, lang, yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang than coal rent tang li ((zhong tai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang than coal rent tang li ((zhong tai) OR (wong yue)) ;*.