Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han tap ca snippets" » "han tap code snippets", "han tai ca snippets", "toan tap ca snippets", "nhan tai ca snippets", "han tap cac snippets", "han tap cua snippets", "han tap can 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: (((("han tap ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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