Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho phan dot snippets" » "phoi phan dot snippets", "cho phan dot snippets", "phe phan dot snippets", "pho nhan dot snippets", "pho phan do snippets", "pho phap dot 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: (((("pho phan dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho phan dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho phan dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho phan dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.