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