Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong hoi dan slippers" » "cong nhoi dan slippers", "cong hoa dan slippers", "cong hai dan slippers", "cong hoc dan slippers", "cong hoi dap slippers", "cong hoi dan slippery", "cong hoi dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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