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"
"dac tap kinh snippets" » "dac than kinh snippets", "dac toan kinh snippets", "dac tri kinh snippets", "cac tap kinh snippets", "dac tan kinh snippets", "duoc tap kinh snippets"

Try widening your search to All Fields.

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