Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hat sac phan snippets" » "hat sat phan snippets", "hat cac phan snippets", "hat sai phan snippets", "mat sach phan snippets", "dat sach phan snippets", "ham sach phan snippets"

Try widening your search to All Fields.

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