Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chu thu phan snippets" » "chu thu nhan snippets", "chu thuat phan snippets", "chu than phan snippets", "chu thi phan snippets", "chu tu phan snippets", "cuu thu phan snippets"

Try widening your search to All Fields.

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