Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
van anh » van thanh, tuan anh, van minh
lam xuc » cam xuc, lam duoc
van lam » van nam
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, me hoi
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang ((ma hoi) OR (ma hoa)). hieu van lam xuc ((ban hanh) or (van anh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((ma hoi) OR (ma hoa)). hieu van lam xuc ((ban hanh) OR (van anh)) vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((ma hoi) OR (ma hoa)). hieu van lam xuc ((ban hanh) or (van anh)) vi cuu tre*".