Perhaps you should try some spelling variations:
"dung quang java snippets" » "dang quang java snippets", "luong quang java snippets", "dung luan java snippets", "dung quang va snippets"
"ngu java java slippers" » "ngu va java slippers", "ngu java java slippery", "ngu java java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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