Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
theo chieu » theo tieu, theo chu, thi chieu
truong cua » truong ca, truong quan, truong cao
trung cua » trung tuan, trung cap, dung cua
ho chieu » hoc thieu, doi chieu, mot chieu
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (ho chieu)) sach - thanh ((trung cua) or (truong cua)) nhung huong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh ((trung cua) OR (truong cua)) nhung huong dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - thanh ((trung cua) or (truong cua)) nhung huong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - thanh ((trung cua) or (truong cua)) nhung huong dan chan cau*.