Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc vy trong slippers" » "duc ly trong slippers", "duc ky trong slippers", "duc y trong slippers", "duc va trong slippers", "duc sy trong slippers", "duc vy trong slippery", "duc vy trong 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 vy trong 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 vy trong slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc vy trong slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc vy trong slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.