Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap van toan snippets" » "dap van code snippets", "dap van tuan snippets", "dap van tan snippets", "dap van thanh snippets", "dao van toan snippets", "tap van toan snippets", "dam van toan snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw 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: (((("dap van toan snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dap van toan snippets ) or ( python using sat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dap van toan snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))*.