Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu choi cua snippets" » "tu choi code snippets", "tu chuoi cua snippets", "tu hoi cua snippets", "tu cuoi cua snippets", "su choi cua snippets", "tu chi cua snippets", "tu chon cua 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: (((("tu choi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu choi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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