Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan cao duc slippers" » "dan ca duc slippers", "dam cao duc slippers", "dan bao duc slippers", "dan dao duc slippers", "dan cao suc slippers", "dan giao duc slippers", "dan cao duc slippery", "dan cao duc grippers"

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: (((("dan cao duc slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cao duc slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dan cao duc slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cao duc slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.