Perhaps you should try some spelling variations:
where facing » when facing, while facing, where meaning
cases where » cases when, cases while, cures where
best cases » test cases, best case, test case
facing sar » facing war, facing hard, facing a
wang dong » wang yong, wang hong, wang yang
yang xi » yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang dong) or (wang yanling)) ((yang xi) or (yang di)) best cases where facing sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dong) OR (wang yanling)) ((yang xi) OR (yang di)) best cases where facing sar ;.
• Adding a wildcard symbol may retrieve word variants: ((wang dong) or (wang yanling)) ((yang xi) or (yang di)) best cases where facing sar ;*.