Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cay anh tuan snippets" » "cay lanh tuan snippets", "cay xanh tuan snippets", "cao anh tuan snippets", "cay anh quan snippets", "cay anh tran snippets", "cay anh luan snippets", "cay anh tuan 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: (((("cay anh tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cay anh tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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