Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cau hoc hien snippets" » "cau hoi hien snippets", "cau hoa hien snippets", "cao hoc hien snippets", "cau hoc bien snippets", "cau hoc vien snippets", "cau hoc hieu snippets", "cau hoc hien 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: (((("cau hoc hien snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau hoc hien snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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