Perhaps you should try some spelling variations:
"dung datat code snippets" » "dung dat code snippets", "dung datat code slippers"
"duong van code snippets" » "duong va code snippets", "luong va code snippets", "dang van code snippets", "duong van de snippets", "duong van hoe snippets", "duong van cong snippets", "duong van 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 datat code snippets") or ("duong van code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung datat code snippets") OR ("duong van code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung datat code snippets ) or ( duong van code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung datat code snippets") or ("duong van code snippets"))) or ("locating bug code snippets"))*.