Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich noi du snippets" » "dich noi du snippets", "kich noi du snippets", "cach noi du snippets", "lich noi dau snippets", "lich noi da snippets", "lich noi de 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: (((("lich noi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich noi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich noi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich noi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.