Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van 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 thien hach - ((((hanh trang) or (hanh chinh))) or (canh tranh)) cua nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((((hanh trang) OR (hanh chinh))) OR (canh tranh)) cua nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((((hanh trang) or (hanh chinh))) or (canh tranh)) cua nhung cong tac toan ban*.