Perhaps you should try some spelling variations:
wang tan » wang ban, wang tao, wing tan
wang dan » wang ban, wang yidan, wang yang
bann oil » can oil
can lang » can laugh, can plant, lang lang
hong hai » shang hai, zhong tai, dang hai
wong yue » wang yue, hong yu
oil can » oil cake, oil chad, oil coal
lang li » liang li, ling li, tang li

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang tan) OR (wang dan))) or (wang yan)) bann oil can lang li ((hong hai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang tan) OR (wang dan))) OR (wang yan)) bann oil can lang li ((hong hai) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang tan) OR (wang dan))) or (wang yan)) bann oil can lang li ((hong hai) or (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: ((((wang tan) OR (wang dan))) or (wang yan)) bann oil can lang li ((hong hai) or (wong yue)) ;*.