Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac cua dong snippets" » "cac cua code snippets", "cac chua dong snippets", "cac cua cong snippets", "cac cua dang snippets", "cach cua dong snippets", "cac qua dong snippets", "ca cua dong 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: (((("cac cua dong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac cua dong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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