Perhaps you should try some spelling variations:
"trinh tai trinh snippets" » "trinh toan trinh snippets", "trinh tu trinh snippets", "trinh han trinh snippets", "trinh tao trinh snippets", "trinh thi trinh snippets", "trinh tai tinh snippets", "trinh tai trinh 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"

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