Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thanh lai » thanh hai, thanh lap, thanh loi
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
su sach » vu sach
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve nham » ve nha, ve cham
thuc va » thuc vat, thuc dan, thuc day
y nang » ky nang, ly nang, v nang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (((so sach) OR (co sach)))) y nang xa hoi. hieu ve nham thuc va thanh lai su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (((so sach) OR (co sach)))) y nang xa hoi. hieu ve nham thuc va thanh lai su triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (((so sach) OR (co sach)))) y nang xa hoi. hieu ve nham thuc va thanh lai su triet*.