Perhaps you should try some spelling variations:
"dong do trong slippers" » "dong dot trong slippers", "dong dao trong slippers", "dong doi trong slippers", "dong co trong slippers", "dang do trong slippers", "dong do trong slippery", "dong do trong grippers"
"using a code snippets" » "using a core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using a code snippets") OR ("dong do trong slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dong do trong slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dong do trong slippers"))) or ("locating bug code snippets"))*.