Perhaps you should try some spelling variations:
sang tao » hang tai
hanh dai » hanh tai, hanh dao, vanh dai
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
va hanh » van hanh, va thanh, va danh
ve cai » va cai, ve cac, ve tai
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky sang tao hoi. hieu ((ve cai) or (va cam)) luc va hanh dai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky sang tao hoi. hieu ((ve cai) OR (va cam)) luc va hanh dai cua vat*.