Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dam doc snippets" » "doi nam doc snippets", "doi dau doc snippets", "doi dan doc snippets", "doi dam dac snippets", "doi dat doc snippets", "doi day doc 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 dam doc 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 dam doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dam doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dam doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.