Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc dam rao snippets" » "duc dai rao snippets", "duc nam rao snippets", "duc dao rao snippets", "duc dam trao snippets", "duc dam bao snippets", "duc dam cao snippets", "duc dam rao 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 ("duc dam rao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc dam rao snippets"))) OR ("locating bug code snippets")).
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