Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
ban nhanh » ban hanh, ban thanh, ban nhan
dang xay » dang van, van xay
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
duc ban » duc tan, duc van, dua ban
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
xay cho » day cho, cay cho, xay chen
ky dang » ky nang, ky danh
cuu tre » cau tren, cau treo
ve cac » va cac, vien cac

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 dang xay cho. hieu ((ve cac) or (ve cham)) duc ban nhanh thai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xay cho. hieu ((ve cac) OR (ve cham)) duc ban nhanh thai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xay cho. hieu ((ve cac) or (ve cham)) duc ban nhanh thai ((cua tre) or (cuu tre))*.