Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham noi lo snippets" » "pham doi lo snippets", "pham moi lo snippets", "pham voi lo snippets", "pham noi lao snippets", "pham noi bo snippets", "pham noi co 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 noi lo 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 noi lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham noi lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham noi lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.