Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan tra chat snippets" » "tan tran chau snippets", "tan tran nhat snippets", "tan hoa chat snippets", "tan tran chat snippets", "tan trao chat snippets", "dan tra 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: (((("tan 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: (((("tan tra chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan tra chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tra chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.