Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, xuc ban
cuu tre » cua tre, cau tren, cau treo
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ve cam » ve cham, ve cai, ve cau
va cam » va cham, va cac, va cao
ve cac » va cac, vien cac
vi cuu » vi luu, vinh cuu

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

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