Perhaps you should try some spelling variations:
hong hai » shang hai, zhong tai, dang hai
can lang » can laugh, can plant, lang lang
wong yue » wang yue, hong yu
wan yan » wang yan, wai yan, wang yang
nan yan » nan ya, wang yan, qian yan
ban oil » can oil, oman oil, than oil
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: ((wan yan) OR (nan yan)) ban oil can lang li ((hong hai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (nan yan)) ban oil can lang li ((hong hai) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) OR (nan yan)) ban oil can lang li ((hong hai) or (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: ((wan yan) OR (nan yan)) ban oil can lang li ((hong hai) or (wong yue)) ;*.