Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dap don snippets" » "hoi dap don snippets", "doi dau don snippets", "do dap don snippets", "doi dap mon snippets", "doi tap don snippets", "doi tap doan 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 dap don 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 dap don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dap don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dap don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.