Perhaps you should try some spelling variations:
yung chen » yun chen, yu chen, yulu chen
shang kai » shang hai
tan yong » tan hong, tan kong, tan yang
ran ying » fan ying, tan ying, jin ying
yue chen » yu chen, yun chen, yulu chen
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: ((tan yong) or (ran ying)) wang ((yue chen) or (yung chen)) ((yang xi) or (yang yi)) shang kai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tan yong) OR (ran ying)) wang ((yue chen) OR (yung chen)) ((yang xi) OR (yang yi)) shang kai ;.
• Adding a wildcard symbol may retrieve word variants: ((tan yong) or (ran ying)) wang ((yue chen) or (yung chen)) ((yang xi) or (yang yi)) shang kai ;*.