Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat sieu don snippets" » "dat hieu don snippets", "dat tieu don snippets", "dau sieu don snippets", "dat sieu dan snippets", "dat kieu doan snippets", "dat sieu 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: (((("dat sieu don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat sieu don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat sieu don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat sieu don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.