Perhaps you should try some spelling variations:
"dung tren dinh snippets" » "dung trong dinh snippets", "dung trung dinh snippets", "dung tran dinh snippets", "dung trien dich snippets", "dung trinh dinh snippets", "dung tren dinh slippers"
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "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: (((("dung tren dinh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tren dinh snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
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