Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thu sach » tu sach, thuat sach, thuoc sach
cau treo » cau theo, cau tren, cau triet
sach ky » sac ky, sach y, sach ty
hieu va » lieu va
gia muc » gia thuc
muc gia » duc gia, luc gia, tuc gia
cuu tre » cua tre, cau tren
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. ((hieu va) or (hieu qua)) gia muc gia thanh phan ((cuu tre) OR (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang x hoi. ((hieu va) OR (hieu qua)) gia muc gia thanh phan ((cuu tre) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang x hoi. ((hieu va) or (hieu qua)) gia muc gia thanh phan ((cuu tre) OR (cau treo))*".