Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai sach den snippets" » "loai sach den snippets", "lam sach den snippets", "lao sach den snippets", "lai sach de snippets", "lai sach dung snippets", "lai mach dien 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: (((("lai sach 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: (((("lai sach den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai sach den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai sach den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.