Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thai cua » than cua, tai cuc, tri cua
van hanh » ban hanh, van anh, van ban
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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