Perhaps you should try some spelling variations:
"trinh anh dang snippets" » "trinh hanh dang snippets", "trinh thanh dang snippets", "trinh kinh dang snippets", "trinh anh dong snippets", "trinh anh dung snippets", "trinh anh bang snippets", "trinh anh dang slippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets", "dung cac 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: (((("trinh anh dang snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh anh dang snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh anh dang snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh anh dang snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.