Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung tran » trung tuan, trung thanh, trung tam
hien hanh » dieu hanh
tong cong » cong cong, dung cong, dang cong
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hien hanh)) - thanh trung tran ((tong cong) or (trong cong)) tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hien hanh)) - thanh trung tran ((tong cong) OR (trong cong)) tan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hien hanh)) - thanh trung tran ((tong cong) or (trong cong)) tan phan cau*.