Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung vien phi slippers" » "duong vien phi slippers", "dung viet phi slippers", "dung tien phi slippers", "dung vien nhi slippers", "dung vien phu slippers", "dung viem phoi slippers", "dung vien phi slippery", "dung vien 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: (((("dang java java snippets") or ("dung vien phi 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 vien phi slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung vien phi slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung vien phi slippers"))) or ("locating bug code snippets"))*.