Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"how van thuc snippets" » "how va thuc snippets", "how dan thuc snippets", "how van thu snippets", "hoc van thuc snippets", "ho van thuc snippets", "hoa van thuc snippets", "how van thuc 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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