Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thich ban da snippets" » "thach ban da snippets", "thich binh da snippets", "thich nang da snippets", "thich ban dan snippets", "thich ban dau snippets", "thich 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: (((("thich 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: (((("thich ban da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thich ban da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thich ban da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.