Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van ban
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu san, tu bac
ve cac » va cac, vien cac
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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