Perhaps you should try some spelling variations:
wang ryan » wang yan, wang yang, wang dan
duong van » cong van, duong anh
shang hai » shang kai, dang hai, chang ha
wang ban » wang yan, wang dan, wang yang
dan yang » daun yang, tan yang, wang yang
tan ying » fan ying, tan yang, tan yong
ran ying » fan ying, jin ying, gao ying
yi shang » yi chang, wei shang, xia shang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang ryan) OR (wang ban)) duong van ((((dan yang) or (tan ying))) or (ran ying)) yi shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang ryan) OR (wang ban)) duong van ((((dan yang) OR (tan ying))) OR (ran ying)) yi shang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang ryan) OR (wang ban)) duong van ((((dan yang) or (tan ying))) or (ran ying)) yi shang hai ;*".