Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc duat tri slippers" » "duc luat tri slippers", "duc dai tri slippers", "duc dung tri slippers", "duc quan tri slippers", "duc duat tri slippery", "duc duat tri 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 duat tri 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 duat tri slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc duat tri slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc duat tri slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.