Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
thanh de » hanh de, thanh ve, thanh le
thanh do » thanh pho, thanh hoa, thanh loi
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
su sac » su sach, su cac, su xac
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. hieu ((vien cac) OR (va cac)) luc va ((thanh do) OR (thanh de)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. hieu ((vien cac) or (va cac)) luc va ((thanh do) OR (thanh de)) cua te~".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. hieu ((vien cac) or (va cac)) luc va ((thanh do) OR (thanh de)) cua te*.