Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan sy so snippets" » "phan xay so snippets", "phan huy so snippets", "phan day so snippets", "phan ly so snippets", "phan ky so 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 sy so 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 sy so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan sy so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan sy so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.