Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc hoat den snippets" » "toi hoat den snippets", "tich hoat den snippets", "toan hoat den snippets", "toc hoat dong snippets", "toc hoat doi snippets", "toc hoat van 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 hoat den 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 hoat den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc hoat den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc hoat den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.