Perhaps you should try some spelling variations:
"trinh nuoc trong snippets" » "trinh quoc trong snippets", "trinh duoc trong snippets", "trinh ngoc trong snippets", "trinh nuoi trong snippets", "trinh thuoc trong snippets", "trinh hoc trong snippets", "trinh nuoc trong 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"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh nuoc trong 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 nuoc trong snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("trinh nuoc trong snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.