Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan co coc snippets" » "phan bo coc snippets", "phan cong coc snippets", "phan cac coc snippets", "phan co hoc snippets", "phan co co snippets", "phan co cac 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 co coc 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 co coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan co coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan co coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.