Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
tang tang » taizong tang
yang yun » yang jun, tang yun, yang yue
wang yue » wong yue, wang hua, wang yan
zong hai » hong hai, dang hai, long han
li zong » lin zong, li cong, li rong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang liang) OR (yang yang)) ((yang yun) or (wang yue)) tang tang li zong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) ((yang yun) OR (wang yue)) tang tang li zong hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) OR (yang yang)) ((yang yun) or (wang yue)) tang tang li zong hai ;".
• Adding a wildcard symbol may retrieve word variants: ((yang liang) OR (yang yang)) ((yang yun) or (wang yue)) tang tang li zong hai ;*.