Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
quang toan » quang tuan, quang doan, quang hoan
quang tran » quang tuan, quang trung, quang thanh
dieu danh » tieu danh, dia danh, dien anh
cua nhung » va nhung
hanh va » hang va, hanh vi
va cua » va chua, via cua, ca cua

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: theo ((dieu hanh) OR (dieu danh)) - hanh va cua nhung cong ((quang toan) OR (quang tran)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((dieu hanh) or (dieu danh)) - hanh va cua nhung cong ((quang toan) OR (quang tran)) tap~".
• Adding a wildcard symbol may retrieve word variants: theo ((dieu hanh) or (dieu danh)) - hanh va cua nhung cong ((quang toan) OR (quang tran)) tap*.