Perhaps you should try some spelling variations:
vien dai » hien dai
vien cac » vien bach, vien da, gian cac
va thanh » ban thanh, va tinh, le thanh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
ca cua » co cua
vu sac » vu sach, vu san, va sac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang xa hoi. hieu ((vien cac) OR (vien dai)) luc ((va thanh) or (gia thanh)) ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang xa hoi. hieu ((vien cac) OR (vien dai)) luc ((va thanh) OR (gia thanh)) ca cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang xa hoi. hieu ((vien cac) OR (vien dai)) luc ((va thanh) or (gia thanh)) ca cua tre*".