Perhaps you should try some spelling variations:
"tran toan ky snippets" » "tranh toan ky snippets", "tran tuan ky snippets", "tran tan ky snippets", "tran than ky snippets", "tran toan ly snippets", "tran toan ke snippets", "tran toan ky slippers"
"dung va java snippets" » "dung java java snippets", "dung va 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 va java snippets") or ("tran toan ky snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung va java snippets") OR ("tran toan ky snippets"))) OR ("locating bug code snippets")).
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