Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung lam bo snippets" » "dung lam code snippets", "dung luan bo snippets", "dung tai bo snippets", "dung dat bo snippets", "dung lam bao snippets", "dung nam bo snippets", "dung lam co 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: (((("dung lam bo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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