Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu hoi toan snippets" » "thu hoi code snippets", "thu hop toan snippets", "thu boi toan snippets", "thu hoa toan snippets", "thu hoai toan snippets", "thu phoi toan snippets", "thu hai toan 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: (((("thu hoi toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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