Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
sinh cua » manh cua, sinh va
dinh cuu » dinh chi
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: doi chieu xanh - hanh ((sinh cua) OR (dinh cuu)) thuong cong thanh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((sinh cua) OR (dinh cuu)) thuong cong thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((sinh cua) OR (dinh cuu)) thuong cong thanh toan tap*.