Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang ping » yang jing, yang liang, yang using
wen wang » wei wang, chen wang, weng fang
wang lei » wang wei, wang fei, wang li
wong yue » wang yue, hong yu
ping yi » ming yi, ping yu, jiang yi
yi wen » i wen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ping yi wen wang lei ((cong shu) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ping yi wen wang lei ((cong shu) OR (wong yue)) ;*.