Perhaps you should try some spelling variations:
thanh tung » thanh cong
dung cong » dung trong
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan cao » toan ban, toan 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 chiet) OR (ho thiet)) tach - thanh tung cua dung cong san ((doanh tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho thiet)) tach - thanh tung cua dung cong san ((doanh tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) OR (ho thiet)) tach - thanh tung cua dung cong san ((doanh tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) OR (ho thiet)) tach - thanh tung cua dung cong san ((doanh tai) or (toan cao))*.