Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan da cau snippets" » "toan dam cau snippets", "toan dai cau snippets", "toan dau cau snippets", "toan dat cau snippets", "toan va cau 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: (((("toan da 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: (((("toan da cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan da cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan da cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.