Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mang cua hoc snippets" » "mang cua code snippets", "manh cua hoc snippets", "dung cua hoc snippets", "ban cua hoc snippets", "mang cua hoi snippets", "mang cua thuoc snippets", "mang cua nuoc 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: (((("mang cua hoc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mang cua hoc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mang cua hoc snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mang cua hoc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.