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