Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"lua dung lam slippers" » "qua dung lam slippers", "luan hung lam slippers", "qua duong lam slippers", "lua dung luan slippers", "lua dung tai slippers", "lua dung dat slippers", "lua dung lam slippery", "lua dung lam grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("lua dung lam slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("lua dung lam slippers"))) OR ("locating bug code snippets")).
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