Perhaps you should try some spelling variations:
"dung chung code snippets" » "dung cong code snippets", "dung trung code snippets", "truong chung code snippets", "dung chung co snippets"
"dung vaae code snippets" » "dung va code snippets", "dung van code snippets", "dung vat code snippets", "dung rate code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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