Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
sang hyup » sang yu
hyup chen » yu chen, hua chen, yun chen
shang hai » shang kai, dang hai, chang ha
ran ying » fan ying, tan ying, jin ying
tan yang » dan yang, tan ying, tan yong
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((ran ying) or (tan yang))) or (yang yang)) sang hyup chen ((yang xi) or (yang jui)) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ran ying) OR (tan yang))) OR (yang yang)) sang hyup chen ((yang xi) OR (yang jui)) shang hai ;.
• Adding a wildcard symbol may retrieve word variants: ((((ran ying) or (tan yang))) or (yang yang)) sang hyup chen ((yang xi) or (yang jui)) shang hai ;*.