Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao chat cuu snippets" » "tao chat code snippets", "cao chat cuu snippets", "van chat cuu snippets", "tao cao cuu snippets", "tao chat huu snippets", "tao chat cua snippets", "tao cham cuu 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 chat cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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