Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
jia zhang » jie zhang, jia zhangke, xiao zhang
zhang hai » zhang dai, shang hai, zhang han
tan ying » tan yang, tan yong, tan hong
fan ying » fan xing, jin ying, fa yin
ran ying » jin ying, gao ying, ka ying
ying jia » ying jin, jing jia, ping jia
yang dr » yang di, yang d, yang du
dr rene » der rent

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((tan ying) OR (fan ying))) or (ran ying))) or (wang yang)) yang dr rene ying jia zhang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((tan ying) OR (fan ying))) OR (ran ying))) OR (wang yang)) yang dr rene ying jia zhang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((tan ying) OR (fan ying))) or (ran ying))) or (wang yang)) yang dr rene ying jia zhang hai ;".
• Adding a wildcard symbol may retrieve word variants: ((((((tan ying) OR (fan ying))) or (ran ying))) or (wang yang)) yang dr rene ying jia zhang hai ;*.