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