Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"manh hon luc snippets" » "manh ho luc snippets", "minh hon luc snippets", "manh huong luc snippets", "manh nhan luc snippets", "manh dong luc snippets", "manh chon loc snippets", "manh hon luc 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: (((("manh hon luc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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