Perhaps you should try some spelling variations:
"trinh danh phan snippets" » "trinh dinh phan snippets", "trinh dan phan snippets", "trinh anh phan snippets", "trinh doanh phan snippets", "trinh danh nhan snippets", "trinh danh phap snippets", "trinh danh phan slippers"
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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