Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao khoi ca snippets" » "tao khoi code snippets", "tao hoi ca snippets", "thao khoa ca snippets", "lao khoa ca snippets", "tao khoi can snippets", "tao khoi cua snippets", "tao khoi va 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: (((("tao khoi ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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