Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van toan ket snippets" » "van tuan ket snippets", "van tan ket snippets", "van thanh ket snippets", "van toan ke snippets", "van toan kiem snippets", "van toan viet snippets", "van toan ket 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: (((("van toan ket snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van toan ket snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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