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