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"
"lang cua code snippets" » "mang cua code snippets", "hang cua code snippets", "long cua code snippets", "lang cua cong snippets", "lang cua co snippets", "lang cfd code snippets", "lang cua 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: (((("lang cua 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: (((("lang cua code snippets") OR ("dung viet code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang cua code snippets ) or ( dung viet code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang cua code snippets") or ("dung viet code snippets"))) or ("locating bug code snippets"))*.