Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
hung cuong » hung vuong, hong cuong, hung luong
tung tran » trung tran, hung tran, huong tran
hung cong » nhung cong, phung cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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 sach - thanh tung tran ((hung cong) or (hung cuong)) dan ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung tran ((hung cong) OR (hung cuong)) dan ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung tran ((hung cong) or (hung cuong)) dan ((chan cau) or (phan cau))*.