Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
dang mat » dang vat, dang mau, dung mat
hanh ca » hanh cac, hanh cat, hanh cua
va hanh » van hanh, va thanh, va danh
so sach » so sanh, bo sach, hoc sach
mat hoi » mai hoi, sat hoi, mat troi
ky dang » ky nang, ky danh
co sach » bo sach, cuon sach, hoc sach
xuc va » duc va, tuc va, luc va
ve cac » vien cac
ca va » co va, cu va, c va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (co sach)) ky dang mat hoi. hieu ((ve cac) or (va cac)) xuc va hanh ca va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ky dang mat hoi. hieu ((ve cac) OR (va cac)) xuc va hanh ca va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (co sach)) ky dang mat hoi. hieu ((ve cac) or (va cac)) xuc va hanh ca va triet".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (co sach)) ky dang mat hoi. hieu ((ve cac) or (va cac)) xuc va hanh ca va triet*.