Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
dang xay » dang van, van xay
ban anh » ban hanh, ban banh, ban danh
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
qua cam » qua cham, qua cac, qua ca
tu cach » tu cac
mang xa » lang xa, mang may, mang cua
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (thuoc sach)) ty ((mang xa) or (dang xay)) hoi. hieu qua cam cuc ban anh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thuoc sach)) ty ((mang xa) OR (dang xay)) hoi. hieu qua cam cuc ban anh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thuoc sach)) ty ((mang xa) or (dang xay)) hoi. hieu qua cam cuc ban anh vi cua te*.