Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
hieu sau » hieu suat, tieu su, hieu va
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
lai hoa » dai hoa, loai hoc
hieu su » tieu su, hieu so, hieu suat
vai cua » dai cua, hai cua, lai cua
tu sac » tu sach, tu cac, tu san
vi cua » di cua
sac ky » cac ky, sai ky
xu va » xu van, tu va, su va

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 sang lai hoa. ((hieu su) OR (hieu sau)) chao xu va hanh ((vi cua) OR (vai cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang lai hoa. ((hieu su) or (hieu sau)) chao xu va hanh ((vi cua) OR (vai cua)) te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang lai hoa. ((hieu su) or (hieu sau)) chao xu va hanh ((vi cua) OR (vai cua)) te*.