Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"uon doi anh snippets" » "huong doi anh snippets", "duong doi anh snippets", "tuong doi anh snippets", "uon doi hanh snippets", "uon doi canh snippets", "uon doi sanh snippets", "uon doi anh 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: (((("uon doi anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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