Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
vu sach » vu bach, su sach, vu khach
ve pham » vi pham, v pham, ve phan
cuu tre » cua tre, cau tren, cau treo
duc ban » duc tan, duc van, dua ban
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
ty dang » ty xang, ky dang, ty hang
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: vu sach ty dang ((xay hoi) or (tay hoi)). hieu ve pham duc ban hanh vai ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty dang ((xay hoi) OR (tay hoi)). hieu ve pham duc ban hanh vai ((cuu tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach ty dang ((xay hoi) or (tay hoi)). hieu ve pham duc ban hanh vai ((cuu tre) or (cua te))*.