Perhaps you should try some spelling variations:
"dung viet code snippets" » "nang viet code snippets", "cong viet code snippets", "mang viet code snippets", "dung viet co snippets", "dung viet some snippets", "dung viet code slippers"
"hang cac code snippets" » "hang ca code snippets", "hang cau code snippets", "bang cac code snippets", "hang cac cong snippets", "hang cac co snippets", "hang cac che snippets", "hang cac code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("hang cac code snippets") or ("dung viet code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cac code snippets") OR ("dung viet code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang cac code snippets ) or ( dung viet code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cac code snippets") or ("dung viet code snippets"))) or ("locating bug code snippets"))*.