Perhaps you should try some spelling variations:
nhung tuong » nhung phuong, hung vuong, nhung cong
thanh trung » thanh tung
nhung huong » nhung phuong, nhung cong, nhung dung
thiet tach » chiet tach, thien hach, thuat tach
trung cap » truong cao, trung tam
ho thiet » hoc thiet, hoa thiet, so thiet
than cau » toan cau, than cap, thanh chau
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: ho thiet tach - thanh trung cap ((nhung tuong) or (nhung huong)) lan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - thanh trung cap ((nhung tuong) OR (nhung huong)) lan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - thanh trung cap ((nhung tuong) or (nhung huong)) lan ((than cau) or (phan cau))*.