Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam chuc can snippets" » "nam thuc can snippets", "nam phuc can snippets", "nam thuoc can snippets", "nam chuc van snippets", "nam chuc nang 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 chuc can 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 chuc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam chuc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam chuc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.