Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh phan duoc snippets" » "trinh han duoc snippets", "trinh quan duoc snippets", "thanh phan duoc snippets", "trinh phan duc snippets", "trinh phan quoc snippets", "trinh nhan duoc snippets", "trinh phan duoc 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"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh phan duoc 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 phan duoc snippets") OR ("dung cac code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh phan duoc snippets ) or ( dung cac code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh phan duoc snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))*.