Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
theo chieu » ho chieu, theo chu, thi chieu
nhanh dong » hanh dong, nhanh chong, anh dong
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
thanh cau » thanh chau, thanh mau, nhanh cau
dong cua » dung cua, cong cua, huong cua

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 (theo tieu)) sach - nhanh dong cua ((nhung cong) or (hang cong)) quang thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - nhanh dong cua ((nhung cong) OR (hang cong)) quang thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sach - nhanh dong cua ((nhung cong) or (hang cong)) quang thanh cau*.