Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
van hanh » van thanh, ban hanh, van anh
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
cac xuc » cam xuc, chat xuc, cac cuoc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
nang o » nang co, nang ho, nang ro
o lai » o lao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang o lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang o lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang o lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang o lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai ((cua tre) or (cuu tre))*.