Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong van » cong vang, cong san, song van
van tai » von tai, van tuan
tai cau » tai cac, tai cao

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 (canh tranh)) cua nhung cong van tai cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh trang) OR (canh tranh)) cua nhung cong van tai cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh trang) or (canh tranh)) cua nhung cong van tai cau*.