Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
sang tay » sang tao, sang tai, sang tac
cham luc » cham soc, nhan luc, cham cuu
hanh lai » hanh lam, hanh tai, thanh loi
tu sach » thu sach, su sach, te sach
ky sang » ky nang, ky dang, ky tang
tay hoi » tay ho, tao hoi, tay thai
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu

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 sang tay hoi. hieu vu cham luc va ((hanh lai) or (thanh lap)) ((cuu tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang tay hoi. hieu vu cham luc va ((hanh lai) OR (thanh lap)) ((cuu tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang tay hoi. hieu vu cham luc va ((hanh lai) or (thanh lap)) ((cuu tre) or (cua tu))*.