Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co dau chi snippets" » "co dau code snippets", "co dau khi snippets", "co du chi snippets", "co dau cuoi snippets", "co dan chi snippets", "co cau chi snippets", "co dai chi 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: (((("co dau chi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( co dau chi snippets ) or ( python using data snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("co dau chi snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.