Perhaps you should try some spelling variations:
wang tang » wang yang, wang liang, wang yan
tang tang » taizong tang
yuan wang » yuan chang, qian wang, yu wang
yuan kang » yuan chang, chan kang, yuan kai
yan wang » yang yang, qian wang, yan liang
ying du » ying zhu, ying hua
yang du » yang di, yang d, yang mu
dean » dewan, jean, den

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang tang tang ((((yuan wang) OR (yan wang))) OR (yuan kang)) ((ying du) OR (yang du)) yang dean ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tang tang ((((yuan wang) OR (yan wang))) or (yuan kang)) ((ying du) or (yang du)) yang dean ;~".
• Adding a wildcard symbol may retrieve word variants: wang tang tang ((((yuan wang) OR (yan wang))) or (yuan kang)) ((ying du) or (yang du)) yang dean ;*.