Perhaps you should try some spelling variations:
wang liang » wang yang
liang than » liang tan, liang thow, liang dan
long life » long live, longer life, long lived
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

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

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