Perhaps you should try some spelling variations:
nhung thuong » nhung phuong, nhung huong, nhung tuong
thanh tung » thanh cong
thuong dan » huong dan, thuong han, thuong dam
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (doi chieu)) sach - thanh tung cua nhung thuong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (doi chieu)) sach - thanh tung cua nhung thuong dan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doi chieu)) sach - thanh tung cua nhung thuong dan ((than cau) or (toan cau))*.