Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
va phuong » va thuong, cac phuong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
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: ((doi chieu) or (theo tieu)) xanh - thanh tung va phuong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo tieu)) xanh - thanh tung va phuong cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo tieu)) xanh - thanh tung va phuong cong tan toan cau*.