Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan lap den snippets" » "quan luan den snippets", "quang lam den snippets", "quan lang den snippets", "quan cap den snippets", "quan lap dan snippets", "quan cap dien 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: (((("quan lap 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: (((("quan lap den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan lap den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan lap den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.