Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"cau doi trinh slippers" » "cau doc trinh slippers", "cau doi tinh slippers", "cau dong trinh slippers", "cau hoi trinh slippers", "cau do trinh slippers", "cau noi trinh slippers", "cau doi trinh slippery", "cau doi trinh 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 ("cau doi trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cau doi trinh slippers"))) OR ("locating bug code snippets")).
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