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