Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
nhu phuong » thu phuong, nhung phuong, thi phuong
trinh toan » tinh toan, thanh toan, trinh han
toan cau » toan cao, toan ban, toan tap
cua nhu » cua nhua, cua chu, cua nha

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - ((hanh trang) OR (hanh trinh)) cua nhu phuong trinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - ((hanh trang) OR (hanh trinh)) cua nhu phuong trinh toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - ((hanh trang) OR (hanh trinh)) cua nhu phuong trinh toan cau*.