Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tac trac slippers" » "doi tap trac slippers", "doi tac trai slippers", "doi toan trac slippers", "dong tac trac slippers", "doi tac trac slippery", "doi tac trac 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 tac trac 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 tac trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tac trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tac trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.