Perhaps you should try some spelling variations:
"missing rate code snippets" » "missing data code snippets", "missing rate core snippets"
"dung dan cao snippets" » "dung dat cao snippets", "dung san cao snippets", "tung dan cao snippets", "dung dan ca snippets", "dung dam cao snippets", "dung dan bao snippets"
"locating bug code snippets" » "locating bug core snippets", "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: (((("missing rate code snippets") or ("dung dan cao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("missing rate code snippets") OR ("dung dan cao snippets"))) OR ("locating bug code snippets")).
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