Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trao ho sinh snippets" » "trao tho sinh snippets", "tao ho sinh snippets", "trac ho sinh snippets", "trao cho sinh snippets", "trao hoa sinh snippets", "trao hoc sinh snippets", "trao ho sinh 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: (((("trao ho sinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trao ho sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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