Perhaps you should try some spelling variations:
breaking point » breaking down, breaking out
ip breaking » i breaking, ship breaking, bic breaking
point using » points using, point summing, point making
zhang yan » zhang fan, zhang jian, wang yan
using sar » using sat, using svr, using smart
yang jie » yang jin, yang jui, yang xi
yang yi » yang xi, 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: zhang yan ((yang jie) or (((yang yi) or (yang di)))) ip breaking point using sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: zhang yan ((yang jie) OR (((yang yi) OR (yang di)))) ip breaking point using sar ;.
• Adding a wildcard symbol may retrieve word variants: zhang yan ((yang jie) or (((yang yi) or (yang di)))) ip breaking point using sar ;*.