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