Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh nam » hanh nam, thanh tam, thanh pham
thanh lam » thanh lap, hanh lam, thanh tam
dua ban » dia ban, cua ban, qua ban
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
dong ha » dong hoa, dong va, dong hoc
ky dong » ly dong, ky dang, ky cong
va cao » va cac, va co, va dao
ve cao » ve bao, ve cac, ve co
ha hoi » hoa hoi, ha noi, xa hoi

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 dong ha hoi. hieu ((ve cao) or (va cao)) dua ban ((thanh lam) OR (thanh nam)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dong ha hoi. hieu ((ve cao) OR (va cao)) dua ban ((thanh lam) OR (thanh nam)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dong ha hoi. hieu ((ve cao) or (va cao)) dua ban ((thanh lam) OR (thanh nam)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky dong ha hoi. hieu ((ve cao) or (va cao)) dua ban ((thanh lam) OR (thanh nam)) cua triet*.