Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi doan mau slippers" » "thai doan mau slippers", "thi hoan mau slippers", "thi loan mau slippers", "thi doan dau slippers", "thi doan mai slippers", "thi doan manh slippers", "thi doan mau slippery", "thi doan mau 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: (((("thi doan mau slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi doan mau slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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