Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tong cong » trong cong, cong cong, dung cong
chuan cau » chuan chau, chuan chat, chuan chuc
tung tam » trung tam, vung tam, dung tam
tam tong » tai tong, tam nong, tam song
cong tac » cong ty
chua cau » cua cau, chua cu, chua dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chinh sach)) - thanh tung tam tong cong tac ((chuan cau) or (chua cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chinh sach)) - thanh tung tam tong cong tac ((chuan cau) OR (chua cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chinh sach)) - thanh tung tam tong cong tac ((chuan cau) or (chua cau))*.