Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc noi noi snippets" » "hoc noi noi snippets", "toc nguoi noi snippets", "toeic noi noi snippets", "toc loi noi snippets", "toc noi doi snippets", "toc doi noi 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: (((("toc noi noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc noi noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc noi noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc noi noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.