Perhaps you should try some spelling variations:
kho tang » cao tang
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
ky tang » ky nang, ky dang, ky trong
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
tai cua » thai cua, tai cuc, tri cua
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 (kho tang)) xa hoi. hieu ve cam xuc van hanh tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ((ky tang) OR (kho tang)) xa hoi. hieu ve cam xuc van hanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ((ky tang) OR (kho tang)) xa hoi. hieu ve cam xuc van hanh tai cua tre*.