Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau cac dan slippers" » "dau cay dan slippers", "dan cac dan slippers", "dao cac dan slippers", "dau cac dan slippery", "dau cac 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 cac 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 cac dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau cac dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau cac dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.