Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ton duc huy snippets" » "tran duc huy snippets", "tong cuc huy snippets", "tinh duc huy snippets", "ton duc duy snippets", "ton duc hue snippets", "ton duc quy snippets", "ton duc huy 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: (((("ton duc huy snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ton duc huy snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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