Perhaps you should try some spelling variations:
"dung nhat code snippets" » "dung nhan code snippets", "dang nhat code snippets", "dung nha code snippets", "dung nhat de snippets", "dung nhat co snippets", "dung nhat code slippers"
"huong cau code snippets" » "thuong chau code snippets", "huong dan code snippets", "huong cua code snippets", "huong cau cong snippets", "huong cau de snippets", "huong cfd code snippets", "huong cau 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: (((("dung nhat code snippets") or ("huong cau code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung nhat code snippets") OR ("huong cau code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nhat code snippets ) or ( huong cau code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nhat code snippets") or ("huong cau code snippets"))) or ("locating bug code snippets"))*.