Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi doi toi snippets" » "doi voi toi snippets", "doi moi toi snippets", "voi doi toi snippets", "doi doi thoi snippets", "doi doi voi snippets", "doi doi moi 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 doi toi 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 doi toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi doi toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi doi toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.