Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi co loa snippets" » "doi bo loa snippets", "moi co loa snippets", "hoi co loa snippets", "doi co loi snippets", "doi co lon snippets"
"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 co loa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi co loa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi co loa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi co loa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.