Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tim hoc sinh snippets" » "tin hoc sinh snippets", "tam hoc sinh snippets", "tim ho sinh snippets", "tim hoc dinh snippets", "tim hoc minh snippets", "tim hoc kinh snippets", "tim hoc 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: (((("tim hoc 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: (((("tim hoc sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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