Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
ho thiet » hoc thiet, hoa thiet, so thiet
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
giao cac » giai cac, giao duc, gia cam
gian cac » gian dan, gian cua

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) or (ho chieu)) tach - thanh tung cua thuong cong san ((giao cac) OR (gian cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho thiet) OR (ho chieu)) tach - thanh tung cua thuong cong san ((giao cac) OR (gian cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho thiet) or (ho chieu)) tach - thanh tung cua thuong cong san ((giao cac) OR (gian cac))".
• Adding a wildcard symbol may retrieve word variants: ((ho thiet) or (ho chieu)) tach - thanh tung cua thuong cong san ((giao cac) OR (gian cac))*.