Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dac tinh cau snippets" » "dac tinh code snippets", "may tinh cau snippets", "va tinh cau snippets", "ha tinh cau snippets", "dac trinh cau snippets", "dac tinh cao snippets", "dac sinh cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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