Perhaps you should try some spelling variations:
when coal » when goal, women coal, when can
wang shi » wang zhi, wang chi, wong shiu
shi ding » shi ling, shi lin, shi rong
ding can » lung can
yang jie » yang jin, yang jui, yang yi
when co » when cow, when do, when can
yang xi » yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang shi ding can ((when co) OR (when coal)) min ((yang jie) or (((yang di) or (yang xi)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang shi ding can ((when co) OR (when coal)) min ((yang jie) OR (((yang di) OR (yang xi)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang shi ding can ((when co) OR (when coal)) min ((yang jie) or (((yang di) or (yang xi)))) ;*".