Perhaps you should try some spelling variations:
sang tao » hang tai
hanh vai » hanh vi, hanh va, hanh tai
cau tren » cu tren, dau tren, ca tren
tao hoi » tao khoi, tao boi, tay hoi
sach ky » sac ky, sach ty, sach kem
va hanh » van hanh, va thanh, va danh
vai cau » va cau, van cau, vai cac
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
ve cai » va cai, ve tai, ve cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) OR (sach y)) sang tao hoi. hieu ((ve cai) OR (ve cac)) luc va hanh vai cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach y)) sang tao hoi. hieu ((ve cai) OR (ve cac)) luc va hanh vai cau tren".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sach y)) sang tao hoi. hieu ((ve cai) OR (ve cac)) luc va hanh vai cau tren*.