Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc moi voi snippets" » "hoc moi voi snippets", "toc mo voi snippets", "toc noi voi snippets", "toc doi voi snippets", "toc moi doi snippets", "toc moi thoi 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 moi voi 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 moi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc moi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc moi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.