Perhaps you should try some spelling variations:
dung chung » dung cong, dung ung, dung trung
chung danh » nhung danh, nhung doanh, phuong danh
mot chieu » doi chieu, ho chieu
chinh tac » chinh tai, chinh ta, chinh xac
tac dung » sach dung, xay dung, tin dung
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) xanh - hanh chinh tac dung chung danh ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) xanh - hanh chinh tac dung chung danh ((toan tap) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doi chi)) xanh - hanh chinh tac dung chung danh ((toan tap) OR (toan ban))*".