Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc than voi snippets" » "toc thai voi snippets", "doc than voi snippets", "hoc than voi snippets", "toc than vo snippets", "toc tan voi snippets", "toc than roi 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 than 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 than voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc than voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc than voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.