Perhaps you should try some spelling variations:
while facing » while making, while waiting, when facing
cases while » cases where, tasks while, careers while
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 while 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 while facing sar ;.
• Adding a wildcard symbol may retrieve word variants: ((wang dong) or (wang yanling)) ((yang xi) or (yang di)) best cases while facing sar ;*.