Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
hanh trung » thanh trung, hanh trang, manh trung
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
van nhanh » van thanh, van hanh, van khanh
nhanh cay » nhanh ha, nhanh bac, nhanh va
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van

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