Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi ca long snippets" » "doi cau long snippets", "doi ha long snippets", "doi ca ong snippets", "doi cua long snippets", "doi cay long snippets", "duoi ca long 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 ca long 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 ca long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi ca long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ca long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.