Perhaps you should try some spelling variations:
"trinh chat lieu snippets" » "tinh chat lieu snippets", "trinh luat lieu snippets", "trinh han lieu snippets", "trinh chat lien snippets", "trinh vat lieu snippets", "trinh chat dien snippets", "trinh chat lieu 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 chat lieu 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 chat lieu snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh chat lieu snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh chat lieu snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.