Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
phan cong » thanh cong
ho chieu » theo chieu, hoc thieu, mot chieu
cap phan » cac phan, cao phan, cap han
khan cap » khan ap, than cap, khoan cam
phan lap » phan dau

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 trung cap phan cong trinh ((khan cap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung cap phan cong trinh ((khan cap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung cap phan cong trinh ((khan cap) or (phan lap))*.