Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hoi lo snippets" » "phan phoi lo snippets", "phan thoi lo snippets", "phan hoa lo snippets", "phan hoi co snippets", "phan hoi o snippets", "phan hoi le 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: (((("phan hoi 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: (((("phan hoi lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan hoi lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hoi lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.