Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
kang yuan » fang yuan, kang susan, wang yan
tan yang » dan yang, tan ying, tan yong
gang hai » dang hai, shang hai, eang hay
hui tan » hui kian, hui tong, hui yang
yang li » yang lin, yang di, yang xi
li gang » liu gang, ii gang, i gang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((kang yuan) OR (wang yuhan)) hui tan yang li gang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((kang yuan) OR (wang yuhan)) hui tan yang li gang hai ;".
• Adding a wildcard symbol may retrieve word variants: wang ((kang yuan) OR (wang yuhan)) hui tan yang li gang hai ;*.