Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
zhong tai » hong tan, hong hai, zhong zhi
yang oil » yang zili, yang di, yang xi
oil real » oil coal, oil rent
qiang li » liang li, ling li, qian yi
wong yue » wang yue, hong yu
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling yang oil real ((qiang li) OR (qiang niu)) ((zhong tai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling yang oil real ((qiang li) OR (qiang niu)) ((zhong tai) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling yang oil real ((qiang li) OR (qiang niu)) ((zhong tai) or (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yanling yang oil real ((qiang li) OR (qiang niu)) ((zhong tai) or (wong yue)) ;*.