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