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

Try widening your search to All Fields.

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