Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pha anh tran snippets" » "pha anh tuan snippets", "pha anh toan snippets", "pha anh trac snippets", "pham anh tran snippets", "phan anh tran snippets", "ha anh tran snippets", "pha anh tran slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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