Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"ton duc dung snippets" » "ton duc hung snippets", "ton duc cuong snippets", "ton duc phung snippets", "tran duc dung snippets", "tong cuc dung snippets", "tinh duc dung snippets"
"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: (((("ton duc dung snippets") or ("python using java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ton duc dung snippets") OR ("python using java slippers"))) OR ("locating bug code snippets")).
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