Perhaps you should try some spelling variations:
canh ngan » canh ngon, anh ngan, chinh ngan
ngan cong » nganh cong, nganh nong, ngan hang
cong khi » cong thai, khong khi, co khi
can anh » van anh, lan anh, ban anh
cao anh » cao dang, cao tang, cao bang
tu canh » thu canh, tu chanh, tu can
so ki » so ky, so di, so li

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: (( tu ((can anh) OR (cao anh)) so ki đong luc ) OR ( tu canh ngan cong khi đong luc ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu ((can anh) OR (cao anh)) so ki đong luc ) or ( tu canh ngan cong khi đong luc ))~".
• Adding a wildcard symbol may retrieve word variants: (( tu ((can anh) OR (cao anh)) so ki đong luc ) or ( tu canh ngan cong khi đong luc ))*.