Perhaps you should try some spelling variations:
"dung tinh duoc snippets" » "dung trinh duoc snippets", "dung sinh duoc snippets", "dung tinh duc snippets", "dang tinh duoc snippets", "dung ninh duoc snippets", "dung tin duoc snippets", "dung tinh duoc slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core 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: (((("using a code snippets") or ("dung tinh duoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("dung tinh duoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( dung tinh duoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dung tinh duoc snippets"))) or ("locating bug code snippets"))*.