Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hoa lua slippers" » "duc hoa luan slippers", "duc hoa cua slippers", "duc hoa qua slippers", "duc hoa lua slippery", "duc hoa lua grippers"
"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: (((("duc hoa lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hoa lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hoa lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hoa lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.