Perhaps you should try some spelling variations:
cases where » cases when, cases while, cures where
yaws cases » laws case
wang yang » wang yan, wang liang, wang yanling
where we » where _, where do
yang jie » yang jin, yang di, yang yi
yang jui » yang judy, yang di, yang yi
chang ha » chang mae
we shen » wei shen, we spend
yang xi » yang di, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: yaws cases where we shen ((((((wang yang) or (yang jie))) or (yang xi))) or (yang jui)) chang ha ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yaws cases where we shen ((((((wang yang) OR (yang jie))) OR (yang xi))) OR (yang jui)) chang ha ;*.