Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
hieu su » hieu sau, tieu su, hieu so
su chao » su cao, sau chan
va hanh » van hanh, va thanh, va danh
cua cau » cua cac, cua chu, cua cay
cua tu » cua tuc, cua su, cua cu
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky sang lai hoi. hieu su chao xu va hanh vai ((cua tu) or (cua cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang lai hoi. hieu su chao xu va hanh vai ((cua tu) OR (cua cau)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang lai hoi. hieu su chao xu va hanh vai ((cua tu) or (cua cau))*.