Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
chua tinh » cua tinh, cha tinh, thuat tinh
hanh tinh » hanh trinh, nhanh tinh, canh tinh
dung cong » dung trong
chu tinh » chau tinh, cuu tinh, chu tich
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu tinh) OR (chua tinh)) - ((hanh tinh) OR (thanh tinh)) cua dung cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu tinh) OR (chua tinh)) - ((hanh tinh) or (thanh tinh)) cua dung cong tac toan ban~".
• Adding a wildcard symbol may retrieve word variants: chao ((chu tinh) OR (chua tinh)) - ((hanh tinh) or (thanh tinh)) cua dung cong tac toan ban*.