Perhaps you should try some spelling variations:
"trinh toan hoang snippets" » "tinh toan hoang snippets", "thanh toan hoang snippets", "trinh han hoang snippets", "trinh tran hoang snippets", "trinh tuan hoang snippets", "trinh hoan hoang snippets", "trinh toan hoang 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 toan hoang 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 toan hoang snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh toan hoang snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh toan hoang snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.