Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
dang tao » sang tao, nang tao, vang tao
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 dang » ky nang, ky danh
tao hoi » tao khoi, tao boi, tay hoi
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 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 sach ky dang tao hoi. hieu vu cham luc va ((hanh lai) or (thanh lap)) ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang tao hoi. hieu vu cham luc va ((hanh lai) OR (thanh lap)) ((cuu tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang tao hoi. hieu vu cham luc va ((hanh lai) or (thanh lap)) ((cuu tre) or (cua te))*.