Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
nhung cong » dung cong, thong cong, hang cong
trung cap » truong cao, trung tam
trong cap » trong cac, trong ca, thong cap
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban

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 ((trung cap) or (trong cap)) nhung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh ((trung cap) OR (trong cap)) nhung cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh ((trung cap) or (trong cap)) nhung cong manh toan tap*.