Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
thanh loi » thanh hoa, thanh hai, thanh lap
su triet » su viet, su tien, ve triet
va thanh » gia thanh, ban thanh, va tinh
vien cac » vien bach, vien dai, vien da
nang xa » nang x, lang xa, nang ma
ve cac » va cac
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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: tu sac ky nang xa hoi. hieu ((ve cac) OR (vien cac)) tu va thanh loi ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ((ve cac) or (vien cac)) tu va thanh loi ((cua triet) OR (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((ve cac) or (vien cac)) tu va thanh loi ((cua triet) OR (su triet))*.