Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cho ho snippets" » "cong cho code snippets", "dong cho ho snippets", "cong co ho snippets", "rong cho ho snippets", "cong cho hoc snippets", "cong cho hoa snippets", "cong pho ho 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: (((("cong cho ho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cho ho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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