Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai luan thi slippers" » "bai toan thi slippers", "li luan thi slippers", "vay luan thi slippers", "bai luan chi slippers", "bai luan thiet slippers", "bai luyen thi slippers", "bai luan thi slippery", "bai luan thi grippers"
"locating bug code snippets" » "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: (((("bai luan thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai luan thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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