Perhaps you should try some spelling variations:
coal lang » coal plant
shang hai » shang kai, dang hai, chang ha
wang can » wang yan, wang ban, wang yang
wang dan » wang yan, wang ban, wang yidan
bank oil » bank bill, bank aid, bank al
oil coal » oil cost, oil oil, oil can
wang yue » wong yue, wang hua, wang yan
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 can) OR (wang dan)) bank oil coal lang li ((shang hai) or (wang yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang can) OR (wang dan)) bank oil coal lang li ((shang hai) OR (wang yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang can) OR (wang dan)) bank oil coal lang li ((shang hai) or (wang yue)) ;".
• Adding a wildcard symbol may retrieve word variants: ((wang can) OR (wang dan)) bank oil coal lang li ((shang hai) or (wang yue)) ;*.