Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"tran viet dung slippers" » "trien viet dung slippers", "gian viet dung slippers", "san viet dung slippers", "tran viet hung slippers", "tran viet huong slippers", "tran viet trung slippers", "tran viet dung slippery", "tran viet dung 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 viet dung slippers"))) or ("locating bug code snippets"))~.
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