Perhaps you should try some spelling variations:
sanh nganh » anh ngan, dang nganh, sach ngan
cong thai » cong hai, hong thai, cong thanh
cac nganh » hoc nganh
cong khi » khong khi, cong ha, cong hai
nganh co » nganh cong, nganh hoa, nganh y
so sanh » do sanh
vu cac » va cac, tu cac, ve cac

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: (( so sanh nganh ((cong khi) OR (cong thai)) đong luc ) OR ( vu cac nganh co khi đong luc ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( so sanh nganh ((cong khi) OR (cong thai)) đong luc ) or ( vu cac nganh co khi đong luc ))~".
• Adding a wildcard symbol may retrieve word variants: (( so sanh nganh ((cong khi) OR (cong thai)) đong luc ) or ( vu cac nganh co khi đong luc ))*.