Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc man tu slippers" » "duc manh tu slippers", "duc tan tu slippers", "duc mau tu slippers", "duc ban tu slippers", "duc van tu slippers", "duc man tu slippery", "duc man tu 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 man tu 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 man tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc man tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc man tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.