Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran qua kho snippets" » "tran quy kho snippets", "tran quang kho snippets", "tran quoc kho snippets", "tran qua khoa snippets", "tran quan khu snippets", "tran sua khoa snippets", "tran qua kho 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 qua kho 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 qua kho snippets"))) OR ("locating bug code snippets")).
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