Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pang mot den snippets" » "lang mot den snippets", "phong mot den snippets", "trang mot den snippets", "pang moi den snippets", "pang mot de snippets", "pang mot nen 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 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: (((("pang mot den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pang mot den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pang mot den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.