Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan phat du snippets" » "phap phat du snippets", "van phat du snippets", "phan phoi du snippets", "phan pha du snippets", "phan pham duc snippets", "phan pham duy 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 phat du 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 phat du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan phat du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan phat du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.