Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam anh tran snippets" » "lam anh tuan snippets", "lam anh toan snippets", "lam anh trac snippets", "lam banh tran snippets", "lam lanh tran snippets", "lan anh tran snippets", "lam 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: (((("lam 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: (((("lam anh tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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