Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"tran hai trac slippers" » "tran bai trac slippers", "tran chau trac slippers", "tran nhat trac slippers", "tran hoi trac slippers", "tran khai thac slippers", "tran thai tran slippers", "tran hai trac slippery", "tran hai 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 ("tran hai trac slippers"))) or ("locating bug code snippets"))~.
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