Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat sach toc snippets" » "mang sach toc snippets", "nam sach toc snippets", "mat bach tuoc snippets", "mat sach duoc snippets", "mat sach nuoc 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 toc 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 toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat sach toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat sach toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.