Perhaps you should try some spelling variations:
yong yuan » yong susan, fang yuan, meng yuan
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
wang tan » wang ban, wang dan, wang tao
tan yong » tan hong, tan kong, tan yang
hong ng » hong kong, hong jong, hong hong
yan di » yang di, pan di, yan zi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang tan yong yuan wang yan di ((shang hai) OR (hong ng)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tan yong yuan wang yan di ((shang hai) OR (hong ng)) ;*".