Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh va xac slippers" » "trinh van xac slippers", "trinh vat xac slippers", "trinh ve xac slippers", "trinh va cac slippers", "trinh va xac slippery", "trinh va xac grippers"
"locating bug code snippets" » "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: (((("trinh va xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh va xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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