Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan doi cay snippets" » "phan doi code snippets", "phan dai cay snippets", "pham doi cay snippets", "phan do cay snippets", "phan doi ca snippets", "phan doi day snippets", "phan voi cay 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: (((("phan doi cay snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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