Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
hanh manh » hanh mang, lanh manh, hoang manh
hang cong » dang cong, hang nong, bang cong
chinh cau » chinh chau, chinh ca, chinh can
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
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: theo tieu sach - hanh manh cua hang cong trinh ((chinh cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh manh cua hang cong trinh ((chinh cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh manh cua hang cong trinh ((chinh cau) or (phan cau))*.