Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"dung java java snippets" » "dung va java snippets"
"dong dat sach snippets" » "dong vat sach snippets", "dung dat sach snippets", "dong ha sach snippets", "dong mat sach snippets", "dong dat khach snippets", "dong nam sach 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 dat sach snippets") or ("dung java java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dat sach snippets") OR ("dung java java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( dong dat sach snippets ) or ( dung java java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dat sach snippets") or ("dung java java snippets"))) or ("locating bug code slippers"))*.