Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran manh li snippets" » "tran minh li snippets", "tran thanh li snippets", "tran van li snippets", "tran manh le snippets", "tran manh linh snippets", "tran manh hai snippets", "tran manh li 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 ("tran manh li snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran manh li snippets"))) OR ("locating bug code snippets")).
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