Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
ho chieu » theo chieu, hoc thieu, doi chieu
phan tap » phan lap, han tap, pha tap

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 - hanh ((((trung cua) or (trung tuan))) or (trung tam)) nhung cong toan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((trung cua) OR (trung tuan))) OR (trung tam)) nhung cong toan phan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((trung cua) or (trung tuan))) or (trung tam)) nhung cong toan phan tap*.