Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cong hon ban snippets" » "cong hoan ban snippets", "cong hoa ban snippets", "cong lon ban snippets", "cong hong ban snippets", "cong hoc ban snippets", "cong con ban snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong hon ban 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 hon ban snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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