Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu hoi den snippets" » "cau hoi den snippets", "thu hoi den snippets", "chu ho den snippets", "chu hoi dien snippets", "chu hoi dan snippets", "chu 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: (((("chu 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: (((("chu hoi den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu hoi den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu hoi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.