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