Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh vi can snippets" » "trinh va can snippets", "trinh ve can snippets", "trinh viet can snippets", "trinh voi can snippets", "trinh vi van snippets", "trinh i can 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"

Try widening your search to All Fields.

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