Perhaps you should try some spelling variations:
"trinh chat ha snippets" » "tinh chat ha snippets", "trinh luat ha snippets", "trinh han ha snippets", "trinh chat hoa snippets", "trinh chat va snippets", "trinh khat ha snippets", "trinh chat ha 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"

Try widening your search to All Fields.

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