Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hut dan dinh snippets" » "hut dang dinh snippets", "hut doan dinh snippets", "hut van dinh snippets", "hat dan dinh snippets", "hut dau dinh snippets", "thuat dan dinh snippets", "hut dan 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: (((("hut dan 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: (((("hut dan dinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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