Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
nhung huong » nhung phuong, nhung tuong, nhung cong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, mot chieu
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: ((ho chieu) or (hoc thieu)) sach - thanh tuong cua nhung huong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh tuong cua nhung huong dan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh tuong cua nhung huong dan ((than cau) or (toan cau))*.