Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cua do snippets" » "cong cua code snippets", "cong cu do snippets", "dong cua do snippets", "huong cua do snippets", "cong cua dao snippets", "cong cua bo snippets", "cong cua co 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("cong cua do snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( cong cua do snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("cong cua do snippets"))) or ("locating bug core snippets"))*.