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