Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
thang cua » thong cua, hang cua, than cua
cong danh » cuong danh, cong dan, cong thanh
ho thiet » hoc thiet, hoa thiet, so thiet
tang cua » mang cua, hang cua, tang luan
cong anh » dong anh, hong anh, cong thanh
tuan cu » tuan tu, quan cua, tuan thu

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 ((thang cua) or (tang cua)) nhung ((cong anh) or (cong danh)) tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh ((thang cua) OR (tang cua)) nhung ((cong anh) OR (cong danh)) tuan cu.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh ((thang cua) or (tang cua)) nhung ((cong anh) or (cong danh)) tuan cu*.