Perhaps you should try some spelling variations:
tang tang » taizong tang
wang yang » wang liang, wang yanling
tang yuan » fang yuan, tang yun, wang yuhan
chang han » chang ha, cheng han, zhang han
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
yi chang » ii chang, ying chang, jin chang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tang tang) or (((wang yang) OR (wang yan)))) tang yuan ((tan yang) or (tan ying)) yi chang han ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tang tang) OR (((wang yang) OR (wang yan)))) tang yuan ((tan yang) OR (tan ying)) yi chang han ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tang tang) or (((wang yang) OR (wang yan)))) tang yuan ((tan yang) or (tan ying)) yi chang han ;*".