Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan so hanh slippers" » "dan so sanh slippers", "dan so danh slippers", "dan co hanh slippers", "dan soc hanh slippers", "dan su hanh slippers", "dan mo hanh slippers", "dan so hanh slippery", "dan so hanh grippers"
"locating bug code snippets" » "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: (((("dan so hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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