Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trao ho duc snippets" » "trao tho duc snippets", "tao ho duc snippets", "trac ho duc snippets", "trao hoc duc snippets", "trao do duc snippets", "trao hong duc snippets", "trao ho 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: (((("trao ho 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: (((("trao ho duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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