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"
"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"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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