Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong cu phi slippers" » "chung cu phi slippers", "cong cu phai slippers", "cong cua phi slippers", "cong cu chi slippers", "cong cu phi slippery", "cong cu phi 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 cu phi 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 cu phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cu phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cu phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.