Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lap » thanh san, phan lap, thanh hai
hanh lam » hanh kem, hanh va, dinh lam
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu ve » hieu va, hieu van
cac ban » cac dan, cac van, can ban
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 sach ky lang ha noi. hieu ve cac ban va ((thanh lap) or (hanh lam)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang ha noi. hieu ve cac ban va ((thanh lap) OR (hanh lam)) cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky lang ha noi. hieu ve cac ban va ((thanh lap) or (hanh lam)) cua triet*.