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