Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
tieu xanh » chieu xanh, tien anh, tien manh
tieu danh » dieu danh, tiep danh, thien danh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
tan chung » toan chung, tai chung, van chuong
cong tan » cong tac, cong san, cong thanh

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))) OR (tieu danh)) - thanh trung cua nhung cong tan chung cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((tieu xanh) OR (dieu hanh))) or (tieu danh)) - thanh trung cua nhung cong tan chung cu~".
• Adding a wildcard symbol may retrieve word variants: theo ((((tieu xanh) OR (dieu hanh))) or (tieu danh)) - thanh trung cua nhung cong tan chung cu*.