Perhaps you should try some spelling variations:
shang kai » shang hai
yin hang » yin fang, yin yang, ying chang
yu cheng » yu chen, _ cheng
yang jie » yang jin, yang di, yang jui
wan yin » fan ying, ran ying, tan ying
hang yu » hong yu, sang yu, chang you
yang xi » yang di, yang jui
yang yi » yang di, 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: wan yin hang yu cheng ((((yang xi) or (yang jie))) or (yang yi)) shang kai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yin hang yu cheng ((((yang xi) OR (yang jie))) OR (yang yi)) shang kai ;*.