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