Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan cac dac snippets" » "nhan cach dac snippets", "phan dau dac snippets", "phan lap dac snippets", "phan cac dan snippets", "phan cac dai snippets", "phan cac bac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan cac dac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cac dac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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