Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"dang hung san snippets" » "dang quang san snippets", "manh hung san snippets", "dang cong san snippets", "dang nhung san snippets", "dang dung san snippets", "dang hung dan snippets", "dang hung san slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "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 ("dang hung san snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dang hung san snippets"))) OR ("locating bug code snippets")).
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