Perhaps you should try some spelling variations:
"trinh trong tro snippets" » "trinh truong tro snippets", "tranh trong tro snippets", "trinh trung tro snippets", "trinh trong trot snippets", "trinh trong tho snippets", "trinh trong tao snippets", "trinh trong tro 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 trong tro 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 trong tro snippets") OR ("dung dung code snippets"))) OR ("locating bug code snippets")).
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