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