Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"con trong dat slippers" » "cong trong dat slippers", "chon trong dat slippers", "con truong dat slippers", "con trong dam slippers", "con trong dan slippers", "con trong dao slippers", "con trong dat slippery", "con trong dat 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 ("con trong dat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("con trong dat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( con trong dat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("con trong dat slippers"))) or ("locating bug code snippets"))*.