Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bai tri ngan snippets" » "bai tai ngan snippets", "bai tri nhan snippets", "bai trinh ngan snippets", "bai thi ngan snippets", "bao tri ngan snippets", "cai tri ngan snippets", "bai tri ngan 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: (((("python using java snippets") or ("bai tri ngan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("bai tri ngan snippets"))) OR ("locating bug code snippets")).
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