Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong san » cong tac
san phan » san pham, van phan, sat 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 ((((chieu xanh) or (hieu manh))) or (chieu sach)) - thanh trung cua nhung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - thanh trung cua nhung cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (hieu manh))) or (chieu sach)) - thanh trung cua nhung cong san phan cau*.