Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan dan mon snippets" » "toan ban mon snippets", "toan dam mon snippets", "toan dai mon snippets", "toan dap mon snippets", "toan dan dong snippets", "toan dong mon 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 dan mon 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 dan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan dan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.