Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan tra cau snippets" » "tan tran cau snippets", "tan trao cau snippets", "dan tra cau snippets", "tan tra sau snippets", "tan ta cau snippets", "tan tra cuu 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: (((("tan tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan tra cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan tra cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.