Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cau toc snippets" » "cong cu toc snippets", "cong chuc toc snippets", "thong cau toc snippets", "cong cac toc snippets", "cong cao toc snippets", "cong cau hoc 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: (((("cong cau toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cau toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cau toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cau toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.