Perhaps you should try some spelling variations:
trung thanh » truong thanh
thuong dong » phuong dong, tuong dong, chuong dong
thiet tach » chiet tach, thien hach, thuat tach
trung phan » trung ha, dung phan, trung tuan
dong toan » dung toan, bong toan, cong toan
toan phan » thanh phan, toan ban, hoa phan
ho thiet » hoc thiet, hoa thiet, so thiet
phan tap » phan lap, han tap, pha tap

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 - hanh ((trung phan) OR (trung thanh)) thuong dong toan phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - hanh ((trung phan) OR (trung thanh)) thuong dong toan phan tap".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh ((trung phan) OR (trung thanh)) thuong dong toan phan tap*.