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