Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat noi da snippets" » "thuat noi da snippets", "ha noi da snippets", "phat vi da snippets", "phat nuoi da snippets", "phat noi va snippets", "phat toi da 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: (((("phat noi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat noi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat noi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat noi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.