Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach xu cac snippets" » "sach xu code snippets", "sach xa cac snippets", "cach xu cac snippets", "mach xu cac snippets", "sach tu cac snippets", "sach xu bac snippets", "sach eu cac 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: (((("sach xu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach xu cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sach xu cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach xu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.