Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat duy doc snippets" » "dao duy doc snippets", "dat duoc doc snippets", "dat dung doc snippets", "dat day doc snippets", "dat duy dac snippets", "dat duy dot 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 duy doc 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 duy doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat duy doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat duy doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.