Perhaps you should try some spelling variations:
ying yang » yang yang, yin yang, ying chang
can post » can cost, can lost, can postal
can past » can east, can fast, canal past
run cash » can cash, von cash, non cash
big yang » big bang, big bank, big man
yan yi » yang yi, tan yi, yan zi
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yi ((((can post) OR (can past))) OR (run cash)) sharing ((big yang) OR (ying yang)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yi ((((can post) or (can past))) or (run cash)) sharing ((big yang) OR (ying yang)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan yi ((((can post) or (can past))) or (run cash)) sharing ((big yang) OR (ying yang)) shu ;*.