Perhaps you should try some spelling variations:
"trinh ve duc snippets" » "trinh he duc snippets", "trinh va duc snippets", "trinh vi duc snippets", "trinh ve duoc snippets", "trinh vu duc snippets", "trinh le duc snippets", "trinh ve duc slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets"

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