Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khai ho duc snippets" » "khai mo duc snippets", "khai hoan duc snippets", "thai hoc duc snippets", "khai hoc duc snippets", "khai do duc snippets", "khai hong duc snippets", "khai 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: (((("khai 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: (((("khai ho duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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