Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau danh den snippets" » "cau danh code snippets", "cao danh den snippets", "chuc danh den snippets", "nam danh den snippets", "cau danh dien snippets", "cau dan den snippets", "cau danh yen snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cau danh den snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau danh den snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cau danh den snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau danh den snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.