Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
shang kai » shang hai
yang yan » yang yang, wang yan, yang fan
yan daun » wan daud, yan kun
yang wei » fang wei, zhang wei, liang wei
wang wei » zhang wei, wang zhi
yan yan » yan yuan, nan yan, yang yang

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 yan yan daun ((yang wei) or (wang wei)) shang kai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yan yan daun ((yang wei) OR (wang wei)) shang kai ;*.