Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
su sach » so sach, vu sach
ky dang » ky nang, ky danh
va coc » va cuoc, va cac, va co
va hoc » van hoc
_ danh » _ doanh, _ dan, 1 danh
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua

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

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