Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
toan thanh » tran thanh, hoan thanh, toan thang
thanh hang » thanh hoang, thanh thang, tranh hang
manh toan » thanh toan, anh tuan, tinh toan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than 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 - manh toan thanh hang ((cong dan) OR (cong tan)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - manh toan thanh hang ((cong dan) OR (cong tan)) than cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - manh toan thanh hang ((cong dan) OR (cong tan)) than cau*.