Perhaps you should try some spelling variations:
yang duong » dang cuong, yang guang, yang xuedong
wang yang » wang yan, wang liang, wang yanling
duong van » cong van, duong anh
shang hai » shang kai, dang hai, chang ha
dan yang » daun yang, tan yang, yang yang
tan ying » tan yang, tan yong, tan hong
ran ying » jin ying, gao ying, ka ying
fan ying » fan xing, jin ying, fa yin
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 yang duong van ((((dan yang) or (tan ying))) or (((ran ying) OR (fan ying)))) yi shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang duong van ((((dan yang) OR (tan ying))) OR (((ran ying) OR (fan ying)))) yi shang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang duong van ((((dan yang) or (tan ying))) or (((ran ying) OR (fan ying)))) yi shang hai ;*".