Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh ((trang cua) OR (tang cua)) phuong cong thanh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((trang cua) OR (tang cua)) phuong cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trang cua) OR (tang cua)) phuong cong thanh toan ban*.