Perhaps you should try some spelling variations:
nhung chong » nhung phong, nhung phuong, phong chong
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
thanh than » thanh thanh, thanh thang, thanh toan
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trung cua » truong cua, trung tuan, trung cap
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - thanh trung cua ((nhung cong) or (nhung chong)) thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh trung cua ((nhung cong) OR (nhung chong)) thanh than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh trung cua ((nhung cong) or (nhung chong)) thanh than cau*.