Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vogt cao toc snippets" » "vogt cac toc snippets", "vogt cao hoc snippets", "vogt cao ngoc snippets", "vot cao toc 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: (((("vogt cao 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: (((("vogt cao toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vogt cao toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vogt cao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.