Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi hoc hien snippets" » "thai hoc hien snippets", "tri hoc hien snippets", "thi hoa hien snippets", "thi hoc bien snippets", "thi hoc vien snippets", "thi hoc hieu snippets", "thi 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: (((("thi 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: (((("thi hoc hien snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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