Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"thong cad model snippets" » "thong cac model snippets", "thong cap model snippets", "thong cau model snippets", "thong a model snippets"
"dung v code snippets" » "dung va code snippets", "dung vi code snippets", "dung ve code snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung v code snippets") OR ("thong cad model snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dung v code snippets ) or ( thong cad model snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung v code snippets") or ("thong cad model snippets"))) or ("locating bugs code snippets"))*.