Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai tra chat snippets" » "bai tran chau snippets", "bai tran nhat snippets", "bai hoa chat snippets", "bai tri chat snippets", "bai toan chat snippets", "hai trac chat 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: (((("bai tra chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai tra chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai tra chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai tra chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.