Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung duoc co snippets" » "dung duoc code snippets", "dong duoc co snippets", "cung duoc co snippets", "dung quoc co snippets", "dung duoc hoc snippets", "dung duong co snippets", "dung duoc hoi 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 duoc co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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