Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thach ban da snippets" » "thanh ban da snippets", "khach san da snippets", "thac bao da snippets", "thach ban dan snippets", "thach ban dau snippets", "thach ban dac 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: (((("thach ban da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thach ban da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thach ban da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thach ban da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.