Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lan duc tren snippets" » "lan duoc tren snippets", "lan dua tren snippets", "lan duc tien snippets", "lang duc tren snippets", "van duc tren snippets", "lan dac tren snippets", "lan duc tren 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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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan duc tren snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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