Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong ca trong slippers" » "cong cay trong slippers", "cong cad trong slippers", "cong co trong slippers", "cong cua trong slippers", "cong cau trong slippers", "cong cac trong slippers", "cong ca trong slippery", "cong ca trong 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 ca trong 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 ca trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ca trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ca trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.