Perhaps you should try some spelling variations:
"dung vaei code snippets" » "dung va code snippets", "dung tai code snippets", "dung sai code snippets"
"dung viet code snippets" » "nang viet code snippets", "cong viet code snippets", "mang viet code snippets", "dung viet co snippets", "dung viet some 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 vaei code snippets") or ("dung viet code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vaei code snippets") OR ("dung viet code snippets"))) OR ("locating bug code slippers"))*.
• Removing quotes may allow a broader search: (((( dung vaei code snippets ) or ( dung viet code snippets ))) or ( locating bug code slippers ))*.