Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan day de snippets" » "toan dam de snippets", "toan dai de snippets", "toan may de snippets", "toan day den snippets", "toan day du 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: (((("toan day de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan day de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan day de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan day de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.