Perhaps you should try some spelling variations:
ban nhanh » ban hanh, ban thanh, ban nhan
pham thuc » phap thuc, pham chuc, nham thuc
thuc ban » thuoc ban, thuc dan, thu ban
nhanh ha » thanh hoa, thanh hai, khanh hoa
su triet » su viet, su tien, ve triet
so sach » bo sach, co sach, hoc sach
so sanh » do sanh
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
ma hoi » mai hoi, xa hoi, ma hoa
ha su » hay su, hoa su, nha su

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 (so sanh)) ky nang ma hoi. hieu va pham thuc ban nhanh ha su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (so sanh)) ky nang ma hoi. hieu va pham thuc ban nhanh ha su triet".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (so sanh)) ky nang ma hoi. hieu va pham thuc ban nhanh ha su triet*.