Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"khanh hoi trac slippers" » "khanh hoa trac slippers", "thanh hoai trac slippers", "thanh hoa trac slippers", "khanh hoi trach slippers", "khanh hoi tran slippers", "khanh hoi tac slippers", "khanh hoi trac slippery", "khanh hoi trac 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 ("khanh hoi trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("khanh hoi trac slippers"))) OR ("locating bug code snippets")).
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