Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan tu hoa snippets" » "toan du hoa snippets", "tran tu hoa snippets", "toan thuc hoa snippets", "toan tu khoa snippets", "toan tu hoai snippets", "toan tuy hoa 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 tu hoa 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 tu hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan tu hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.