Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung cac mau slippers" » "luong cac mau slippers", "dung cho mau slippers", "dung tai mau slippers", "dung cam mau slippers", "dung sach mau slippers", "dung cac mau slippery", "dung cac mau 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: (((("dang java java snippets") or ("dung cac mau slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung cac mau slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung cac mau slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung cac mau slippers"))) or ("locating bug code snippets"))*.