Perhaps you should try some spelling variations:
lang ling » lang lang, wang lin, yang lin
shang hai » shang kai, dang hai, chang ha
oil lang » soil land, oil line, oil can
wong yue » wang yue, hong yu
yan can » yan clan, man can, yan cong
can oil » can soils, can only, corn oil
wang » wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or wing) yan can oil lang ling li ((shang hai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wing) yan can oil lang ling li ((shang hai) OR (wong yue)) ;.
• Adding a wildcard symbol may retrieve word variants: (wang or wing) yan can oil lang ling li ((shang hai) or (wong yue)) ;*.