Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
danh vai » danh sai, danh va, doanh van
lang van » tang van, hoang van, giang van
dang van » hoang van, hang va
ban danh » ban doanh, ban hanh, ban dan
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
cau cua » cau qua, ca cua, cu cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cau » ke cau, va cau, 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: tu sac ky ((lang van) OR (dang van)) hoi. hieu ve cau cua ban danh vai ((cuu tre) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang van) OR (dang van)) hoi. hieu ve cau cua ban danh vai ((cuu tre) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang van) OR (dang van)) hoi. hieu ve cau cua ban danh vai ((cuu tre) or (su triet))*.