Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran cong va snippets" » "tran hong va snippets", "trien cong va snippets", "tran hoang va snippets", "tran dong va snippets", "tran cong ha snippets", "tran cong tac snippets", "tran cong va 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: (((("tran cong va snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran cong va snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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