Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thiet tach » chiet tach, thien hach, thuat tach
phuong dan » phuong danh, phuong doan, huong dan
ho thiet » hoc thiet, hoa thiet, so thiet
van luan » van tuan, von luan, vay luan
van quan » van ban
dan phan » doan phan, dan chan, 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: ho thiet tach - thanh ((van luan) or (van quan)) nhung phuong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - thanh ((van luan) OR (van quan)) nhung phuong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - thanh ((van luan) or (van quan)) nhung phuong dan phan cau*.