Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh bat cat snippets" » "doanh bat cat snippets", "anh bai cat snippets", "dinh ba cat snippets", "danh bat can snippets", "danh bat xat snippets", "danh vat chat 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 bat cat 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 bat cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh bat cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh bat cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.