Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sach dat san snippets" » "sach dao san snippets", "sach danh san snippets", "sach bai san snippets", "sach dac san snippets", "sach dam san snippets", "sach dat hang snippets", "sach dat san 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: (((("sach dat san snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach dat san snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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