Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung te khoa slippers" » "dung he khoa slippers", "dung de khoa slippers", "dung le khoa slippers", "dung ke khoa slippers", "dung tai khoa slippers", "dung te khoa slippery", "dung te khoa 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: (((("python using java snippets") or ("dung te khoa slippers"))) or ("locating bug code snippets"))~.
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