Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong lon hoc snippets" » "cong lon code snippets", "cong luong hoc snippets", "cong dong hoc snippets", "cong cong hoc snippets", "cong mon hoc snippets", "cong lop hoc snippets", "cong lon soc 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: (((("python using java snippets") or ("cong lon hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong lon hoc snippets"))) OR ("locating bug core snippets")).
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