Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"than cay tao snippets" » "than cap tao snippets", "thanh tay tao snippets", "nhanh cay tao snippets", "than cau tao snippets", "than cai tao snippets", "than cay cao snippets", "than cay tao 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: (((("than cay tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than cay tao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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