Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, tien anh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - ((hanh tang) OR (hanh mang)) cua nhung cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (dieu hanh)) - ((hanh tang) or (hanh mang)) cua nhung cong tan tran cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (dieu hanh)) - ((hanh tang) or (hanh mang)) cua nhung cong tan tran cau*.