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