Perhaps you should try some spelling variations:
"dung uong java snippets" » "dung huong java snippets", "dung luong java snippets", "dung cong java snippets", "dung using java snippets", "dung uong java slippers"
"dung dat thay snippets" » "dung va thay snippets", "dung tai thay snippets", "dung mat thay snippets", "dung da thay snippets", "dung dau thay snippets", "dung dat thay slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung uong java snippets") or ("dung dat thay snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung uong java snippets") OR ("dung dat thay snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung uong java snippets") or ("dung dat thay snippets"))) or ("locating bug code snippets"))*.