Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, hanh trinh, minh trang
thanh tung » thanh cong
thi phuong » thi truong
trinh toan » tinh toan, thanh toan, trinh han
toan cau » toan cao, toan ban, toan tap
cua thi » cua thoi, cua toi, cua chi

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 tinh - ((((hanh trang) or (canh tranh))) or (thanh tung)) cua thi phuong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((((hanh trang) OR (canh tranh))) OR (thanh tung)) cua thi phuong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((((hanh trang) or (canh tranh))) or (thanh tung)) cua thi phuong trinh toan cau*.