Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi cong cua snippets" » "chi cong code snippets", "thi cong cua snippets", "cho cong cua snippets", "phi cong cua snippets", "chi cong cu snippets", "chi dong cua snippets", "chi 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: (((("chi 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: (((("chi cong cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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