Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"wei pan sach snippets" » "wei ban sach snippets", "wei van sach snippets", "wei ngan sach snippets", "wei tan sach snippets", "wei tang sach snippets", "wei fang sach snippets", "wei pan sach 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: (((("wei pan sach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei pan sach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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