Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran canh xa snippets" » "tran manh xa snippets", "tran anh xa snippets", "tran danh xa snippets", "tran canh va snippets", "tran canh tac snippets", "tran canh tay snippets", "tran canh xa 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: (((("tran canh xa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran canh xa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran canh xa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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