Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"kon hung hai snippets" » "kon rung hai snippets", "mon huong hai snippets", "cong hung hai snippets", "kon hung thai snippets", "kon hang hai snippets", "kon dung hai snippets", "kon hung hai 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: (((("kon hung hai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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