Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha dung san snippets" » "pham dung san snippets", "phan dung san snippets", "kha dung san snippets", "pha dong san snippets", "pha dung sai snippets", "pha dung luan snippets"

Try widening your search to All Fields.

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