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