Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh hoi con snippets" » "trinh hoa con snippets", "trinh do con snippets", "trinh han con snippets", "trinh hoi co snippets", "trinh hai con snippets", "trinh hoc con 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 hoi con 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 hoi con snippets") OR ("dung cac code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh hoi con snippets ) or ( dung cac code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh hoi con snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))*.