Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, thi chieu
thanh tung » thanh cong
va phuong » va thuong, cac phuong
theo chu » cho chu, chao chu, theo yeu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
tung va » trung va, tuong va, dung va

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) or (theo chu)) xanh - thanh tung va phuong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - thanh tung va phuong cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) xanh - thanh tung va phuong cong tan toan tap*.