Perhaps you should try some spelling variations:
"trinh sat code snippets" » "trinh vat code snippets", "trinh san code snippets", "trinh sau code snippets", "trinh rate code snippets", "trinh sat che snippets", "trinh sat cong snippets", "trinh sat code slippers"
"dung cua dan snippets" » "dung luan dan snippets", "dung cho dan snippets", "dung cua dang snippets", "dung cua ban snippets", "dung ca dan snippets", "dung cua dan 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: (((("trinh sat code snippets") or ("dung cua dan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh sat code snippets") OR ("dung cua dan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh sat code snippets ) or ( dung cua dan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh sat code snippets") or ("dung cua dan snippets"))) or ("locating bug code snippets"))*.