Perhaps you should try some spelling variations:
kho tang » cao tang
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
ky tang » ky nang, ky trong, tay tang
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((((ky tang) or (ky dang))) or (kho tang)) xa hoi. hieu ve cam xuc van hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((((ky tang) OR (ky dang))) OR (kho tang)) xa hoi. hieu ve cam xuc van hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ((((ky tang) or (ky dang))) or (kho tang)) xa hoi. hieu ve cam xuc van hanh dai cua tre*.