Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
van hanh » van thanh, ban hanh, van anh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh manh) OR (van hanh)) cua nhung cong tan toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh manh) OR (van hanh)) cua nhung cong tan toan cao*.