Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi voi lua slippers" » "doi toi lua slippers", "doi vi lua slippers", "doi voi luc slippers", "doi voi lua slippery", "doi voi lua 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: (((("doi voi lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi voi lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi voi lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi voi lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.