Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » hanh trinh, hanh trang, lanh tranh
thien anh » thien danh, tien anh, thien thanh
hien hanh » dieu hanh
cua nhung » va nhung
cong van » cong vang, cong san, song van
ban nha » ban nhan, ban phap, ban than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (hien hanh)) - ((hanh tranh) or (canh tranh)) cua nhung cong van ban nha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (hien hanh)) - ((hanh tranh) OR (canh tranh)) cua nhung cong van ban nha.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (hien hanh)) - ((hanh tranh) or (canh tranh)) cua nhung cong van ban nha*.