Perhaps you should try some spelling variations:
"dung trong code slippers" » "dung trong cong slippers", "dung trong co slippers", "dung trong che slippers"
"dong bach code snippets" » "dong bac code snippets", "dong cach code snippets", "song bach code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung trong code slippers") or ("dong bach code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung trong code slippers") OR ("dong bach code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung trong code slippers ) or ( dong bach code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trong code slippers") or ("dong bach code snippets"))) or ("locating bug code snippets"))*.