Perhaps you should try some spelling variations:
"trinh toan dat snippets" » "tinh toan dat snippets", "thanh toan dat snippets", "trinh han dat snippets", "trinh toan dam snippets", "trinh toan dai snippets", "trinh tan dat snippets", "trinh toan dat slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh toan dat snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh toan dat snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trinh toan dat snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets ))*.