Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu sang
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, mot chieu
nhan dan » phan dau, gian dan, nhan tai
dan doan » dan toan, tan doan, van doan
toan tap » toan ban

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 - nhan dan doan phuong cong tinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - nhan dan doan phuong cong tinh toan tap*.