Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
thanh cac » hanh cac, thanh bac, thanh ca
cong dan » cong san, cong tan, cong dong
khan cap » khan ap, than cap, khoan cam

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 cua nhung ((cong dan) or (huong dan)) ((khan cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh trang cua nhung ((cong dan) OR (huong dan)) ((khan cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh trang cua nhung ((cong dan) or (huong dan)) ((khan cap) or (thanh cac))*.