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