Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc voi cong snippets" » "duc voi code snippets", "duc noi cong snippets", "duc moi cong snippets", "duc tai cong snippets", "duc loi cong snippets", "dua voi cong snippets", "duc vui cong 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: (((("duc voi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc voi cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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