Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc hoi den snippets" » "phuc hoi den snippets", "thu hoi den snippets", "thuc doi den snippets", "thuc hoi dien snippets", "thuc hoi dan snippets", "thuc moi den 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: (((("thuc hoi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc hoi den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc hoi den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc hoi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.