Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung mo luc slippers" » "dung co luc slippers", "dung cho luc slippers", "dung von luc slippers", "dung mo luc slippery", "dung mo luc 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 mo luc 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 mo luc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung mo luc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mo luc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.