Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau ca dan slippers" » "dau cay dan slippers", "dau cua dan slippers", "dan ca dan slippers", "dau cac dan slippers", "dau ca dao slippers", "dau ca dan slippery", "dau ca dan 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: (((("dau ca dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau ca dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau ca dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau ca dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.