Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat sach so snippets" » "mang sach so snippets", "nam sach so snippets", "mat mach so snippets", "mat sach lo snippets", "mat sach song snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("mat sach so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat sach so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat sach so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat sach so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.