Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
va danh » va dinh, va dan, va hanh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
danh vi » hanh vi, dinh vi, danh di
su sac » su sach, su cac, su xac
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky
ve cai » va cai, ve tai, ve cau
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. hieu ((ve cai) or (ve cac)) luc va danh vi ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. hieu ((ve cai) OR (ve cac)) luc va danh vi ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. hieu ((ve cai) or (ve cac)) luc va danh vi ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. hieu ((ve cai) or (ve cac)) luc va danh vi ((cua triet) OR (su triet))*.