Perhaps you should try some spelling variations:
thuong thuat » thuong thuyet, thuong thuc, trong thuat
nhung phuong » dung phuong, nhu phuong, truong phuong
trung thuat » trong thuat, trung tuan, trung thuc
thiet tach » chiet tach, thien hach, thuat tach
ho thiet » hoc thiet, hoa thiet, so thiet
dan than » dan chan, ban than, van than

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 thuat) OR (thuong thuat)) nhung phuong ((dan than) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh ((trung thuat) OR (thuong thuat)) nhung phuong ((dan than) OR (anh tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - hanh ((trung thuat) OR (thuong thuat)) nhung phuong ((dan than) or (anh tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh ((trung thuat) OR (thuong thuat)) nhung phuong ((dan than) or (anh tuan)) cau*.