Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan vi sinh snippets" » "doan vi sinh snippets", "don vi sinh snippets", "dan va sinh snippets", "dan vi dinh snippets", "dan vi minh snippets", "dan vi kinh snippets", "dan vi 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: (((("dan vi 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: (((("dan vi sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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