Perhaps you should try some spelling variations:
long working » among working, doing working, sang working
save working » safe working, brave working, usage working
china chang » chin chang, china zhang, china changqi
best think » best thing
chang c » chang _, anhang c, chang ha
c best » 3 best, 4 best, 1 best

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

• Performing a fuzzy search may retrieve terms with similar spellings: can china chang c best think ((long working) or (save working)) yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: can china chang c best think ((long working) OR (save working)) yue ;.
• Adding a wildcard symbol may retrieve word variants: can china chang c best think ((long working) or (save working)) yue ;*.