Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hon vi trong snippets" » "hon vai trong snippets", "hon voi trong snippets", "hon bi trong snippets", "chon vi trong snippets", "don vi trong snippets", "hon ai trong snippets", "hon vi trong 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: (((("hon vi trong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hon vi trong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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