Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ha de snippets" » "pham hoa de snippets", "pham ma de snippets", "pham va de snippets", "pham hac de snippets", "pham hat de 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: (((("pham ha 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: (((("pham ha de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ha de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ha de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.