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