Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"trinh su dac snippets" » "trinh tu dac snippets", "trinh san dac snippets", "trinh cau dac snippets", "trinh so dac snippets", "trinh su dai snippets", "trinh su cac snippets"

Try widening your search to All Fields.

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