Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc cong cua snippets" » "doc cong code snippets", "hoc cong cua snippets", "duc cong cua snippets", "do cong cua snippets", "doc cong cu snippets", "doc dong cua snippets", "doc huong 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: (((("doc cong 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: (((("doc cong cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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