Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than ky don snippets" » "than ky doi snippets", "than ke don snippets", "than ky dan snippets", "thanh ky don snippets", "phan ky don snippets", "tran ky don 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: (((("than ky don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than ky don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than ky don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than ky don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.