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