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