Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ton van hanh snippets" » "ton van thanh snippets", "ton ban hanh snippets", "ton van anh snippets", "tong van hanh snippets", "toan van hanh snippets", "tan van hanh snippets", "ton van hanh 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: (((("python using java snippets") or ("ton van hanh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ton van hanh snippets"))) OR ("locating bug code snippets")).
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