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