Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan cho da snippets" » "toan cao da snippets", "toan chi da snippets", "toan ho da snippets", "toan cho dao snippets", "toan cho dap snippets", "toan cho dai 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: (((("toan cho da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan cho da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan cho da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan cho da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.