Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoi he van snippets" » "khoa he van snippets", "khoi de van snippets", "khong he van snippets", "khoi le van snippets", "khoi ho van snippets", "khoi ha van snippets", "khoi he van slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("khoi he van snippets") or ("python using java snippets"))) or ("locating bung code snippets"))~.
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