Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc manh dam snippets" » "suc manh dam snippets", "duc anh dam snippets", "duc minh dam snippets", "duc man dam snippets", "duc manh cam snippets", "duc thanh dam snippets", "duc manh dam 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: (((("python using java snippets") OR ("duc manh dam snippets"))) OR ("locating bug code snippets")).
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