Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan hoc dinh snippets" » "dan hoc sinh snippets", "dan hoc kinh snippets", "dan hoc danh snippets", "van hoc dinh snippets", "dan toc dinh snippets", "dai hoc dinh snippets", "dan hoc dinh 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: (((("dan hoc dinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hoc dinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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