Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"cuu danh o snippets" » "cuu danh code snippets", "cuu anh o snippets", "cum danh o snippets", "cau danh o snippets", "cuu danh co snippets", "cuu dinh o snippets", "cuu danh cho snippets"

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

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