Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mai quan can snippets" » "hai quan can snippets", "ban quan can snippets", "mai quan cau snippets", "mai quan van snippets", "mai xuan can 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: (((("mai quan 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: (((("mai quan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mai quan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mai quan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.