Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh khoe » thanh pho, thanh hoa, than khoi
khoe sach » khoa sach, hoc sach, khoe sinh
khoa than » khoa luan, hoa thai, hoa tan
toc danh » hoc danh, tac danh, quoc danh
khoa phu » khoa phau, khoa thu, hoa phu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc danh thanh khoe sach ((khoa than) or (khoa phu)) thong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc danh thanh khoe sach ((khoa than) OR (khoa phu)) thong.
• Adding a wildcard symbol may retrieve word variants: toc danh thanh khoe sach ((khoa than) or (khoa phu)) thong*.