Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
cua phuong » cuu phuong, cuc phuong, luan phuong
dong tac » cong tac, dong tai, dong bac
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - ((hanh trang) or (hanh trinh)) cua phuong dong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh trang) OR (hanh trinh)) cua phuong dong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh trang) or (hanh trinh)) cua phuong dong tac toan cau*.