Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung hoa qua snippets" » "dung khoa qua snippets", "duong hoa qua snippets", "dung hoai qua snippets", "dung hoa quan snippets", "dung hoa cua snippets", "dung hoa xuat snippets"

Try widening your search to All Fields.

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