Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mach xu cua snippets" » "mach xu code snippets", "cach xu cua snippets", "sach xu cua snippets", "mach cua cua snippets", "mach hu cua snippets", "mach tu cua snippets", "mach vu cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mach xu cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mach xu cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mach xu cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach xu cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.