Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
hieu va » lieu va, hieu qua
lam xuc » cam xuc, lam duoc
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
cuu tre » cua tre, cau tren, cau treo
y nang » ly nang, v nang, may nang
va lam » van lam, va lap
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((y nang) OR (ky nang)) xa hoi. hieu va lam xuc ban anh va ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (ky nang)) xa hoi. hieu va lam xuc ban anh va ((cua triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((y nang) OR (ky nang)) xa hoi. hieu va lam xuc ban anh va ((cua triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) OR (ky nang)) xa hoi. hieu va lam xuc ban anh va ((cua triet) or (cuu tre))*.