Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
hien nhanh » tien thanh, dien thanh, vien nganh
hanh trang » thanh trung, canh tranh, hanh trinh
hien hanh » dieu hanh
trang cua » tranh cua, tang cua, trung cua
trong tap » trong thap, tong tap, trong tan
cua dung » cua dang, cua dong, qua dung
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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) or (hien hanh))) or (thien thanh)) - hanh trang cua dung trong tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien nhanh) OR (hien hanh))) OR (thien thanh)) - hanh trang cua dung trong tap doan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien nhanh) or (hien hanh))) or (thien thanh)) - hanh trang cua dung trong tap doan cau*.