Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"rong hoc duc snippets" » "trong hoc duc snippets", "dong hoc duc snippets", "truong hoc duc snippets", "rong hoc duoc snippets", "rong hoc nuoc snippets", "rong hoc thuc snippets", "rong hoc duc 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: (((("rong hoc duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rong hoc duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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