Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pang mot cho snippets" » "lang mot cho snippets", "phong mot cho snippets", "trang mot cho snippets", "pang mo cho snippets", "pang moi cho snippets", "pang mot co 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: (((("pang mot cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pang mot cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pang mot cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pang mot cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.