Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
van hanh » van thanh, ban hanh, van anh
cuu tre » cau tren, cau treo
cua tre » cua triet, dua tren, cua thep
tuc van » thuc van, truc van, tuc va
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu
tu sac » tu sach, tu cac, tu san

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. hieu vu cham tuc van hanh vi ((((cua tre) OR (cua te))) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. hieu vu cham tuc van hanh vi ((((cua tre) or (cua te))) or (cuu tre))*.