Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hon tang van snippets" » "son tang van snippets", "hon nang van snippets", "hong trang van snippets", "hon dang van snippets", "hon hoang van snippets", "hon trong van snippets", "hon tang van 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: (((("hon tang van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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