Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co cao dong snippets" » "co cao code snippets", "co cao dang snippets", "co lao dong snippets", "co cao cong snippets", "cho cao dong snippets", "cu cao dong snippets", "co cau dong 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: (((("co cao dong snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co cao dong snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co cao dong snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co cao dong snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.