Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khac duan do snippets" » "khac duan code snippets", "nhac dan do snippets", "khau luan do snippets", "khai tuan do snippets", "khac doan do snippets", "khac dun do snippets", "khac tuan do 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: (((("khac duan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac duan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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