Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"qua tan cau snippets" » "qua tan code snippets", "quai tan cau snippets", "qua tang cau snippets", "qua than cau snippets", "qua toan cau snippets", "qua van cau snippets", "qua tan ca 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: (((("qua tan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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