Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"dap tan quan snippets" » "dap tang quan snippets", "dap toan quan snippets", "dap van quan snippets", "dac tan quan snippets", "dai tan quan snippets", "tap toan quan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap tan quan snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap tan quan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
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