Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
phan thuong » hang thuong, phan xuong
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
tung phan » trung phan, tuong phan, dung phan
ho chieu » hoc thieu, doi chieu, mot chieu
dong san » cong san, dong bang, dong von
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
co lieu » cot lieu, co hieu, so lieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co lieu) or (((ho chieu) OR (theo chieu)))) tinh - thanh tung phan thuong dong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co lieu) OR (((ho chieu) OR (theo chieu)))) tinh - thanh tung phan thuong dong san toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co lieu) or (((ho chieu) OR (theo chieu)))) tinh - thanh tung phan thuong dong san toan cau".
• Adding a wildcard symbol may retrieve word variants: ((co lieu) or (((ho chieu) OR (theo chieu)))) tinh - thanh tung phan thuong dong san toan cau*.