Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh phap » thanh phan, thanh pham, hanh phap
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh ven » trinh van, trinh den, tinh ven
trinh ve » trinh he, trinh va, trinh vi
phap ca » phap cac, phap cai, phap cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((trinh ve) or (trinh ven)) nhung cong thanh phap ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trinh ve) OR (trinh ven)) nhung cong thanh phap ca*.