Perhaps you should try some spelling variations:
"phan ban dan snippets" » "phan banh dan snippets", "phan van dan snippets", "phan ba dan snippets", "phan ban hang snippets", "phan ban hanh snippets", "phan ban quan snippets", "phan ban dan slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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 ban dan snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan ban dan snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ban dan snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ban dan snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.