Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ha voi snippets" » "phan hoa voi snippets", "phan ba voi snippets", "phan h voi snippets", "phan ha noi snippets", "phan da voi 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 ha voi 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 ha voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ha voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ha voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.