Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu anh kien snippets" » "thu danh kien snippets", "thu hanh kien snippets", "thu anh kiem snippets", "thuy anh kien snippets", "thu canh kien snippets", "thu oanh kien snippets", "thu anh kien 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: (((("thu anh kien snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu anh kien snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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