Perhaps you should try some spelling variations:
thiet tach » chiet tach, thuat tach
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
tranh cua » manh cua
doanh cua » doanh luan
cong san » cong tac
san phan » san pham, van phan, sat 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) OR (thien hach)) - canh ((tranh cua) or (doanh cua)) nhung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thiet tach) OR (thien hach)) - canh ((tranh cua) OR (doanh cua)) nhung cong san phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((thiet tach) OR (thien hach)) - canh ((tranh cua) or (doanh cua)) nhung cong san phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((thiet tach) OR (thien hach)) - canh ((tranh cua) or (doanh cua)) nhung cong san phan cau*.