Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hien nhanh » thien thanh, tien thanh, dien thanh
hien xanh » chieu xanh, hien khanh, khien canh
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
cong van » cong vang, cong san, song van
van khan » van khanh, van khang, van phan
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 xanh) or (((hien nhanh) or (hien hanh)))) - hanh trung cua dong cong van khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (((hien nhanh) OR (hien hanh)))) - hanh trung cua dong cong van khan cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (((hien nhanh) or (hien hanh)))) - hanh trung cua dong cong van khan cap*.