Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach pha dan slippers" » "sach phat dan slippers", "sach phap dan slippers", "sach nha dan slippers", "sach pha ban slippers", "sach pha san slippers", "sach pha tan slippers", "sach pha dan slippery", "sach pha dan grippers"
"locating bug code snippets" » "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 pha dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach pha dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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