Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang do dap slippers" » "nang doc dap slippers", "dung doi dap slippers", "dang duc dap slippers", "dang doi dap slippers", "dang do dai slippers", "dang do dac slippers", "dang do dap slippery", "dang do dap 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: (((("dung java java snippets") or ("dang do dap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang do dap slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang do dap slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang do dap slippers"))) or ("locating bug code snippets"))*.