Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua chu xuan slippers" » "lua chu quang slippers", "lua chuc quan slippers", "lua thi xuan slippers", "cua chu xuan slippers", "bua chu xuan slippers", "lua cau xuan slippers", "lua chu xuan slippery", "lua chu xuan 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: (((("python using java snippets") or ("lua chu xuan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua chu xuan slippers"))) OR ("locating bug code snippets")).
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