Perhaps you should try some spelling variations:
"dung chat thom snippets" » "dung chat thai snippets", "dung chat hoa snippets", "dung chat cho snippets", "dung nhat thom snippets", "luong chat thom snippets", "dung cho thom snippets", "dung chat thom slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using a code snippets") or ("dung chat thom snippets"))) or ("locating bug code snippets"))~.
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