Perhaps you should try some spelling variations:
change you » change your, chang you
can change » urban change
yang yang » wang yang
you wang » you want, yu wang, you liang
wang wei » zhang wei, wang zhi
yan yan » yan yuan, nan yan, qian yan
hua can » hua ban, arua can, hua chen

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 lang) ((yan yan) or (((yang yang) OR (wang yan)))) hua can change you wang wei ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) ((yan yan) OR (((yang yang) OR (wang yan)))) hua can change you wang wei ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) ((yan yan) or (((yang yang) OR (wang yan)))) hua can change you wang wei ;".
• Adding a wildcard symbol may retrieve word variants: (wang or lang) ((yan yan) or (((yang yang) OR (wang yan)))) hua can change you wang wei ;*.