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